Language select final tweaks (#8914)

* [APP-1303] Redesign/refactor post language select (#8884)

* Nightly source-language update

* Nightly source-language update

* [APP-1303] Redesign/refactor post language select

* update: stylesheets.create to use the latest structure

* update styles to modern structure

* update: dialog breakpoints on web and delete depricated language modals

* remove unused post languages settings dialog

* restructure Post languages dialog

* place the Dialog.Close inside the Dialog.ScrollableInner

* add: language search

* update search and language variables for clarity

* fix: memoize language state lists

* chore: add comments

* update proper colors to the background

* add back older error boundary

* add: tweaks to the mobile and web responsiveness

* add tweaks to center the container

* update labels

* update button and border

* added translation updates

* Update: text input to reuse search input

* remove unused file

* update: web breakpoints

* run eslint and prettier

---------

Co-authored-by: Elijah Seed-Arita <elijaharita@gmail.com>
Co-authored-by: Anastasiya Uraleva <anastasiya@Anastasiyas-MacBook-Pro.local>
Co-authored-by: Anastasiya Uraleva <anastasiya@Mac.localdomain>

* rm old file

* sort out styles, add FlatListFooter component

* rm cancel button in favor of search input X

* get dialog height working on iOS

* delete `DropdownButton`

* hide scroll indicators on android

* ios scroll indicator insets

* get footer sorta working on android

* change button color on press

* rm empty file

---------

Co-authored-by: Anastasiya Uraleva <anastasiyauraleva@gmail.com>
Co-authored-by: Elijah Seed-Arita <elijaharita@gmail.com>
Co-authored-by: Anastasiya Uraleva <anastasiya@Anastasiyas-MacBook-Pro.local>
Co-authored-by: Anastasiya Uraleva <anastasiya@Mac.localdomain>

src/view/com/composer/Composer.tsx

@@ -110,7 +110,7 @@ import {LabelsBtn} from '#/view/com/composer/labels/LabelsBtn'
 import {Gallery} from '#/view/com/composer/photos/Gallery'
 import {OpenCameraBtn} from '#/view/com/composer/photos/OpenCameraBtn'
 import {SelectGifBtn} from '#/view/com/composer/photos/SelectGifBtn'
-import {SelectLangBtn} from '#/view/com/composer/select-language/SelectLangBtn'
+import {SelectPostLanguagesBtn} from '#/view/com/composer/select-language/SelectPostLanguagesDialog'
 import {SuggestedLanguage} from '#/view/com/composer/select-language/SuggestedLanguage'
 // TODO: Prevent naming components that coincide with RN primitives
 // due to linting false positives
@@ -1453,7 +1453,7 @@ function ComposerFooter({
             />
           </Button>
         )}
-        <SelectLangBtn />
+        <SelectPostLanguagesBtn />
         <CharProgress
           count={post.shortenedGraphemeLength}
           style={{width: 65}}