further fix for input view not scrollable issue

Session/Conversations/Context Menu/ContextMenuVC+Action.swift

@@ -95,4 +95,5 @@ protocol ContextMenuActionDelegate : AnyObject {
     func save(_ viewItem: ConversationViewItem)
     func ban(_ viewItem: ConversationViewItem)
     func banAndDeleteAllMessages(_ viewItem: ConversationViewItem)
+    func contextMenuDismissed()
 }

Session/Conversations/Context Menu/ContextMenuVC.swift

@@ -132,6 +132,7 @@ final class ContextMenuVC : UIViewController {
             self.timestampLabel.alpha = 0
         }, completion: { _ in
             self.dismiss()
+            self.delegate?.contextMenuDismissed()
         })
     }
 }

Session/Conversations/ConversationVC+Interaction.swift

@@ -785,6 +785,10 @@ extension ConversationVC : InputViewDelegate, MessageCellDelegate, ContextMenuAc
         alert.addAction(UIAlertAction(title: "Cancel", style: .default, handler: nil))
         present(alert, animated: true, completion: nil)
     }
+    
+    func contextMenuDismissed() {
+        recoverInputView()
+    }
 
     func handleQuoteViewCancelButtonTapped() {
         snInputView.quoteDraftInfo = nil

Session/Conversations/ConversationVC.swift

@@ -425,6 +425,7 @@ final class ConversationVC : BaseVC, ConversationViewModelDelegate, OWSConversat
         highlightFocusedMessageIfNeeded()
         didFinishInitialLayout = true
         markAllAsRead()
+        recoverInputView()
     }
     
     override func viewWillDisappear(_ animated: Bool) {
@@ -442,9 +443,7 @@ final class ConversationVC : BaseVC, ConversationViewModelDelegate, OWSConversat
     }
     
     override func appDidBecomeActive(_ notification: Notification) {
-        // This is a workaround for an issue where the textview is not scrollable
-        // after the app goes into background and goes back in foreground.
-        self.snInputView.text = self.snInputView.text
+        recoverInputView()
     }
     
     deinit {
@@ -737,6 +736,14 @@ final class ConversationVC : BaseVC, ConversationViewModelDelegate, OWSConversat
         }
     }
     
+    func recoverInputView() {
+        // This is a workaround for an issue where the textview is not scrollable
+        // after the app goes into background and goes back in foreground.
+        DispatchQueue.main.async {
+            self.snInputView.text = self.snInputView.text
+        }
+    }
+    
     func markAllAsRead() {
         guard let lastSortID = viewItems.last?.interaction.sortId else { return }
         OWSReadReceiptManager.shared().markAsReadLocally(