Add new translations interface (#7727)

* added v-select and button to start sidebyside view

* v-chip next to field name on translations

* v-chip color changed

* add baisc logic

* finish inner workings of translation interface

* finish design

* clean up code

* remove unused prop

* small tweaks

* finish translation interface

* fix lang icon

* tweak styling

* Use v-model over separate bind+event

* Tweak margin definition

* Add class to field-name to prevent span confusion

* Rename classes to match var names

* Add limit -1, remove commented code

* Tweak toggle tooltip wording

* Add hover state to v-icons

* Use self-closing elements

* Remove unused imports

* Rename newVal->sideBySideEnabled

* Use filter + length instead of reducer

* Fix param typo

* Move dividers into main translations component

* Base initial language on fetched languages array

* Move styling to language-select, simplify component

* Don't rely on deep styling

* Tweak interactive state of chip

* Use existing form-grid for side-by-side layoutin

* Only fetch preview values when we dont have them yet

* Improve stability of edited status

* Fix hover state of v-icon

Co-authored-by: Nitwel <nitwel@arcor.de>
Co-authored-by: rijkvanzanten <rijkvanzanten@me.com>

app/src/lang/translations/en-US.yaml

@@ -1288,6 +1288,8 @@ interfaces:
   translations:
     display_template: Display Template
     no_collection: No Collection
+    toggle_split_view: Toggle Split View
+    language_field: Language Field
   list-o2m-tree-view:
     description: Tree view for nested recursive one-to-many items
     recursive_only: The tree view interface only works for recursive relationships.