Close web mention suggestions popup on Escape (#8605)

* alf web typeahead

* fix type error

* fix escape behaviour

* change selection on hover

* rm React.

* undo random change

src/view/com/composer/Composer.tsx

@@ -114,10 +114,7 @@ import {SelectPostLanguagesBtn} from '#/view/com/composer/select-language/Select
 import {SuggestedLanguage} from '#/view/com/composer/select-language/SuggestedLanguage'
 // TODO: Prevent naming components that coincide with RN primitives
 // due to linting false positives
-import {
-  TextInput,
-  type TextInputRef,
-} from '#/view/com/composer/text-input/TextInput'
+import {TextInput} from '#/view/com/composer/text-input/TextInput'
 import {ThreadgateBtn} from '#/view/com/composer/threadgate/ThreadgateBtn'
 import {SubtitleDialogBtn} from '#/view/com/composer/videos/SubtitleDialog'
 import {VideoPreview} from '#/view/com/composer/videos/VideoPreview'
@@ -155,6 +152,7 @@ import {
   processVideo,
   type VideoState,
 } from './state/video'
+import {type TextInputRef} from './text-input/TextInput.types'
 import {getVideoMetadata} from './videos/pickVideo'
 import {clearThumbnailCache} from './videos/VideoTranscodeBackdrop'
 
@@ -306,7 +304,9 @@ export const ComposePost = ({
   )
 
   const onPressCancel = useCallback(() => {
-    if (
+    if (textInput.current?.maybeClosePopup()) {
+      return
+    } else if (
       thread.posts.some(
         post =>
           post.shortenedGraphemeLength > 0 ||