Fix problems with BottomSheet and the report dialog (#3297)

* use @discord/bottom-sheet

* add @types/invariant

* some progress on keyboard dialog

* rework

rework

add a comment

use discord bottom sheet

* remove `@gorhom/bottom-sheet`

* remove android specific code

* organize imports

src/view/com/util/BottomSheetCustomBackdrop.tsx

@@ -1,11 +1,11 @@
 import React, {useMemo} from 'react'
 import {TouchableWithoutFeedback} from 'react-native'
-import {BottomSheetBackdropProps} from '@gorhom/bottom-sheet'
 import Animated, {
   Extrapolate,
   interpolate,
   useAnimatedStyle,
 } from 'react-native-reanimated'
+import {BottomSheetBackdropProps} from '@discord/bottom-sheet/src'
 import {msg} from '@lingui/macro'
 import {useLingui} from '@lingui/react'