Calculations field can't reference other calculations fields

[eeeeeeeeeve]

Describe the bug

Per title. Changelog seems to indicate that it was added in 2.1.19, but we're on 3.0.20 and it does not seem possible to reference other Calculations field in a Calculations field.

Steps to reproduce

1. Create a calculations field
2. Create another calculations field and attempt to reference the first field

Form settings

N/A

Craft CMS version

5.6.6

Plugin version

2.1.19

Multi-site?

No response

Additional context

No response

[engram-design]

Fixed for the next release. To get this early, run composer require verbb/formie:"dev-craft-5 as 3.0.20".