* allow toggling off/on multiple from main composer lang menu
* fix dropdown styles for long labels
* udpate model to use new string field
* update language UI
* save langs to history on submit
* remove edit
* clean up use new fields
* default to deviceLocales
* fix default valu
* feedback
* use radio icon
* Fix composer character-counter bouncing around UI elements
* Fix composer toolbar padding when keyboard is dismissed on iOS
* Use the full name of the language in the composer footer
* Add headings to the DropdownButton
* Update the composer language control to use a simpler dropdown
* Fix lint
* Add translate link to Post component used in notifications
* Fix lint
* add SelectLangBtn
* memoized objects that are created to reduce re-creation on re-render
* add langs when uploading post
* only send the top 3 languages otherwise backend will throw error
* mv ContentLanguagesSettings to folder
* add post languages settings modal and state
* fix typos
* modify feed manip to also check langs label on post
* Fix tests
* Remove log
* Update feed-manip.ts
* Fix syntax errors
* UI tuneups
* Show the currently selected languages in the composer
* fix linting
* Use a bcp-47 matching function
* Fix a duplicate language issue
* Fix web
* Dont include lang in prompt
* Make select language btn an observer
* Keep device languages on top of language selection UIs
* Fix android build settings
* Enforce a max of 3 languages in posts
* Fix tests
* Fix types
---------
Co-authored-by: Paul Frazee <pfrazee@gmail.com>