Update visibility on kb changes.

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationFragment.kt

@@ -4189,14 +4189,22 @@ class ConversationFragment :
         return
       }
 
+      if (reactionDelegate.isShowing()) {
+        // The overlay ignores a show while it is up, and nothing below would be undone by a hide that never comes.
+        Log.w(TAG, "Long press while the reaction overlay is still showing. Ignoring.")
+        return
+      }
+
       val messageRecord = item.getMessageRecord()
 
       // Held, not re-read: teardown has to work from a screen that is already going.
       val recycler = binding.conversationItemRecycler
+      val overlay = conversationOverlay
       val shade = overlayBinding.reactionsShade
 
       multiselectItemDecoration.setFocusedItem(MultiselectPart.Message(item.conversationMessage))
       recycler.invalidateItemDecorations()
+      overlay.visibility = View.VISIBLE
       shade.visibility = View.VISIBLE
       recycler.suppressLayout(true)
 
@@ -4281,8 +4289,10 @@ class ConversationFragment :
           override fun onHide() {
             viewModel.setIsReactionDelegateShowing(false)
 
-            // Likewise: otherwise the list stays frozen and the message invisible.
+            // Likewise: otherwise the list stays frozen, the message invisible, and the idle
+            // overlay in front of the chat for touch purposes.
             recycler.suppressLayout(false)
+            overlay.visibility = View.INVISIBLE
             multiselectItemDecoration.setFocusedItem(null)
             recycler.invalidateItemDecorations()
             bodyBubble.visibility = View.VISIBLE

app/src/main/res/layout/v2_conversation_overlay.xml

@@ -1,9 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?><!--
   The long press overlay and its shade, drawn above the scaffold so a closing keyboard never resizes them.
+
+  Invisible rather than gone while idle: invisible keeps this laid out, which the overlay needs in order
+  to measure itself and to project a row's position into its coordinate space, but takes it out of touch
+  dispatch so an idle overlay cannot swallow a gesture meant for the chat beneath it.
 -->
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:visibility="invisible">
 
     <FrameLayout
         android:id="@+id/reactions_shade"