Can't view field html source in production environment, getting "Cannot read properties of undefined (reading 'dom')"

[agiovacchini]

Can't view field html source by clicking this icon in editor in production environment but works in local development

In production I'm getting this error:

I'm using Rails 6.1.5 and tinymce-rails 5.10.3

theme.js?v=5.10.3:1 Uncaught TypeError: Cannot read properties of undefined (reading 'dom')
    at theme.js?v=5.10.3:1:4470
    at ze (theme.js?v=5.10.3:1:19745)
    at theme.js?v=5.10.3:3:18136
    at ve (theme.js?v=5.10.3:1:17897)
    at theme.js?v=5.10.3:3:18108
    at Object.n (theme.js?v=5.10.3:7:31464)
    at Object.find (theme.js?v=5.10.3:3:18084)
    at Object.find (theme.js?v=5.10.3:3:18286)
    at u (theme.js?v=5.10.3:3:18905)
    at As (theme.js?v=5.10.3:3:17022)
    at theme.js?v=5.10.3:3:19316
    at bo (theme.js?v=5.10.3:1:26806)
    at theme.js?v=5.10.3:3:19275
    at Object.fold (theme.js?v=5.10.3:7:31510)
    at Object.triggerFocus (theme.js?v=5.10.3:3:19241)
    at Object.set (theme.js?v=5.10.3:2:17559)
    at theme.js?v=5.10.3:2:20052
    at Object.each (theme.js?v=5.10.3:7:31662)
    at n (theme.js?v=5.10.3:2:20020)
    at theme.js?v=5.10.3:8:32700
    at Object.fold (theme.js?v=5.10.3:7:31510)
    at focusIn (theme.js?v=5.10.3:8:32623)
    at theme.js?v=5.10.3:8:14633
    at Object.fold (theme.js?v=5.10.3:7:31510)
    at Object.e [as focusIn] (theme.js?v=5.10.3:8:14466)
    at Object.show (theme.js?v=5.10.3:12:30571)
    at show (theme.js?v=5.10.3:12:31461)
    at Object.t [as show] (theme.js?v=5.10.3:1:20760)
    at theme.js?v=5.10.3:7:25864
    at Object.open (theme.js?v=5.10.3:13:2549)
    at o (theme.js?v=5.10.3:7:24935)
    at Object.open (theme.js?v=5.10.3:7:30321)
    at application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:20:17056
    at l (application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:20:16990)
    at Object.c [as open] (application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:20:17032)
    at t.<anonymous> (plugin.js?v=5.10.3:1:271)
    at commands.exec.<computed> (application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:23:20874)
    at t.execCommand (application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:23:19639)
    at t.execCommand (application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:24:6891)
    at Object.t [as onAction] (plugin.js?v=5.10.3:1:123)
    at theme.js?v=5.10.3:6:3909
    at theme.js?v=5.10.3:3:3822
    at theme.js?v=5.10.3:6:3871
    at theme.js?v=5.10.3:1:22287
    at Th (theme.js?v=5.10.3:7:32032)
    at run (theme.js?v=5.10.3:1:22264)
    at e (theme.js?v=5.10.3:8:10563)
    at theme.js?v=5.10.3:1:940
    at theme.js?v=5.10.3:3:17291
    at Object.fold (theme.js?v=5.10.3:7:31510)
    at As (theme.js?v=5.10.3:3:17183)
    at OO (theme.js?v=5.10.3:10:1275)
    at _O (theme.js?v=5.10.3:10:1384)
    at theme.js?v=5.10.3:3:19191
    at bo (theme.js?v=5.10.3:1:26806)
    at Object.triggerEvent (theme.js?v=5.10.3:3:19165)
    at Zb (theme.js?v=5.10.3:8:9435)
    at we (theme.js?v=5.10.3:1:18267)
    at ke (theme.js?v=5.10.3:1:18342)
    at t (theme.js?v=5.10.3:2:25731)
    at e (theme.js?v=5.10.3:8:10563)
    at theme.js?v=5.10.3:1:940
    at theme.js?v=5.10.3:3:17291
    at Object.fold (theme.js?v=5.10.3:7:31510)
    at As (theme.js?v=5.10.3:3:17183)
    at OO (theme.js?v=5.10.3:10:1275)
    at _O (theme.js?v=5.10.3:10:1384)
    at theme.js?v=5.10.3:3:19086
    at bo (theme.js?v=5.10.3:1:26806)
    at Object.triggerEvent (theme.js?v=5.10.3:3:19053)
    at theme.js?v=5.10.3:3:16109
    at HTMLDivElement.Kt.a (theme.js?v=5.10.3:1:9005)
(anonymous) @ theme.js?v=5.10.3:1
ze @ theme.js?v=5.10.3:1
(anonymous) @ theme.js?v=5.10.3:3
ve @ theme.js?v=5.10.3:1
(anonymous) @ theme.js?v=5.10.3:3
n @ theme.js?v=5.10.3:7
find @ theme.js?v=5.10.3:3
find @ theme.js?v=5.10.3:3
u @ theme.js?v=5.10.3:3
As @ theme.js?v=5.10.3:3
(anonymous) @ theme.js?v=5.10.3:3
bo @ theme.js?v=5.10.3:1
(anonymous) @ theme.js?v=5.10.3:3
fold @ theme.js?v=5.10.3:7
triggerFocus @ theme.js?v=5.10.3:3
set @ theme.js?v=5.10.3:2
(anonymous) @ theme.js?v=5.10.3:2
each @ theme.js?v=5.10.3:7
n @ theme.js?v=5.10.3:2
(anonymous) @ theme.js?v=5.10.3:8
fold @ theme.js?v=5.10.3:7
focusIn @ theme.js?v=5.10.3:8
(anonymous) @ theme.js?v=5.10.3:8
fold @ theme.js?v=5.10.3:7
e @ theme.js?v=5.10.3:8
show @ theme.js?v=5.10.3:12
show @ theme.js?v=5.10.3:12
t @ theme.js?v=5.10.3:1
(anonymous) @ theme.js?v=5.10.3:7
open @ theme.js?v=5.10.3:13
o @ theme.js?v=5.10.3:7
open @ theme.js?v=5.10.3:7
(anonymous) @ application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:20
l @ application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:20
c @ application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:20
(anonymous) @ plugin.js?v=5.10.3:1
commands.exec.<computed> @ application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:23
t.execCommand @ application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:23
t.execCommand @ application-d1563c9020aa55c57940707b4b2fa7205cae546895864475b2b21ff6e16790fa.js:24
t @ plugin.js?v=5.10.3:1
(anonymous) @ theme.js?v=5.10.3:6
(anonymous) @ theme.js?v=5.10.3:3
(anonymous) @ theme.js?v=5.10.3:6
(anonymous) @ theme.js?v=5.10.3:1
Th @ theme.js?v=5.10.3:7
run @ theme.js?v=5.10.3:1
e @ theme.js?v=5.10.3:8
(anonymous) @ theme.js?v=5.10.3:1
(anonymous) @ theme.js?v=5.10.3:3
fold @ theme.js?v=5.10.3:7
As @ theme.js?v=5.10.3:3
OO @ theme.js?v=5.10.3:10
_O @ theme.js?v=5.10.3:10
(anonymous) @ theme.js?v=5.10.3:3
bo @ theme.js?v=5.10.3:1
triggerEvent @ theme.js?v=5.10.3:3
Zb @ theme.js?v=5.10.3:8
we @ theme.js?v=5.10.3:1
ke @ theme.js?v=5.10.3:1
t @ theme.js?v=5.10.3:2
e @ theme.js?v=5.10.3:8
(anonymous) @ theme.js?v=5.10.3:1
(anonymous) @ theme.js?v=5.10.3:3
fold @ theme.js?v=5.10.3:7
As @ theme.js?v=5.10.3:3
OO @ theme.js?v=5.10.3:10
_O @ theme.js?v=5.10.3:10
(anonymous) @ theme.js?v=5.10.3:3
bo @ theme.js?v=5.10.3:1
triggerEvent @ theme.js?v=5.10.3:3
(anonymous) @ theme.js?v=5.10.3:3
Kt.a @ theme.js?v=5.10.3:1
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