fix(deps): update ckeditor to 45 (unified package)

[st3iny]

Editor seems to work but there are some errors in the console to look at.

[Vue warn]: Error in render: "TypeError: can't access property "length", _vm.recipients is undefined"

found in

---> <RecipientInfo> at src/components/RecipientInfo.vue
       <NcModal>
         <NewMessageModal> at src/components/NewMessageModal.vue
           <NcContent>
             <Home> at src/views/Home.vue
               <App> at src/App.vue
                 <Root> vue.runtime.esm.js:4625
    VueJS 88
    render Home.vue:18
    VueJS 15
    set pinia.mjs:926
    startComposerSessionMutation actions.js:1849
    wrappedAction pinia.mjs:1399
    actionName pinia.mjs:932
    startComposerSession actions.js:517
    handleHttpAuthErrors sessionExpiryHandler.js:11
    startComposerSession actions.js:384
    wrappedAction pinia.mjs:1399
    actionName pinia.mjs:932

TODO

• CKEditor translations -> https://ckeditor.com/docs/ckeditor5/latest/getting-started/installation/self-hosted/vuejs-v2.html#localization
• CKEditor themes -> The lark theme is the built-in default now
• Adapt front end unit tests

[ChristophWurst]

Editor seems to work but there are some errors in the console to look at.

[Vue warn]: Error in render: "TypeError: can't access property "length", _vm.recipients is undefined"

found in

---> <RecipientInfo> at src/components/RecipientInfo.vue

Same on older commits:

19:56:04.428 TypeError: this.recipients is undefined
    handler RecipientInfo.vue:89
    VueJS 21
    As Lodash
    _update VueJS
    r NcModal-BS5vtogq.css:6
    VueJS 2
    mount NcModal-BS5vtogq.css:6
    $mount NcModal-BS5vtogq.css:6
    VueJS 5
    As Lodash
    _update VueJS
    r NcModal-BS5vtogq.css:6
    VueJS 2
    mount NcModal-BS5vtogq.css:6
    $mount NcModal-BS5vtogq.css:6
    VueJS 3
    As Lodash
    _update VueJS
    r NcModal-BS5vtogq.css:6
    VueJS 2
    mount NcModal-BS5vtogq.css:6
    $mount NcModal-BS5vtogq.css:6
    VueJS 3
    As Lodash
    _update VueJS
    r NcModal-BS5vtogq.css:6
    VueJS 2
    mount NcModal-BS5vtogq.css:6
    $mount NcModal-BS5vtogq.css:6
    VueJS 5
    As Lodash
    _update VueJS
    r NcModal-BS5vtogq.css:6
    VueJS 5
vue.runtime.esm.js:3953:16

@GretaD could you check this out?