Fix bug where dialog would not dismiss after toggling between keyboards.

app/src/main/java/org/thoughtcrime/securesms/mediasend/v2/review/AddMessageDialogFragment.kt

@@ -179,6 +179,7 @@ class AddMessageDialogFragment : KeyboardEntryDialogFragment(R.layout.v2_media_a
     }
 
     if (hud.currentInput == emojiDrawerStub.get()) {
+      requestedEmojiDrawer = false
       hud.showSoftkey(input)
     } else {
       requestedEmojiDrawer = true