[APP-836] Emoji picker for web (#1254)

* add emoji-mart package for emoji dropdown picker

* remove emoji picker modal

* load emoji mart data not as part of the main bundle

* remove @emoji-mart/data

* setup emoji insertion with events

* get emoji data from local static assets

* close emoji picker after one emoji has been inserted

* Switch emoji picker trigger to an icon

* Update emoji-mart-data.js

* make grabbing emoji data work on more browsers

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Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/view/com/composer/Composer.tsx

@@ -45,6 +45,7 @@ import {Gallery} from './photos/Gallery'
 import {MAX_GRAPHEME_LENGTH} from 'lib/constants'
 import {LabelsBtn} from './labels/LabelsBtn'
 import {SelectLangBtn} from './select-language/SelectLangBtn'
+import {EmojiPickerButton} from './text-input/web/EmojiPicker.web'
 import {insertMentionAt} from 'lib/strings/mention-manip'
 
 type Props = ComposerOpts & {
@@ -394,6 +395,7 @@ export const ComposePost = observer(function ComposePost({
               <OpenCameraBtn gallery={gallery} />
             </>
           ) : null}
+          {isDesktopWeb ? <EmojiPickerButton /> : null}
           <View style={s.flex1} />
           <SelectLangBtn />
           <CharProgress count={graphemeLength} />