Potentially fix a keyboard issue for calls

Session/Calls/Call Management/SessionCallManager.swift

@@ -240,8 +240,7 @@ public final class SessionCallManager: NSObject, CallManagerProtocol {
                 {
                     let callVC = CallVC(for: call)
                     callVC.conversationVC = conversationVC
-                    conversationVC.inputAccessoryView?.isHidden = true
+                    conversationVC.hideInputAccessoryView()
-                    conversationVC.inputAccessoryView?.alpha = 0
                     presentingVC.present(callVC, animated: true, completion: nil)
                 }
                 else if !Preferences.isCallKitSupported {

Session/Calls/CallVC.swift

@@ -600,8 +600,11 @@ final class CallVC: UIViewController, VideoPreviewDelegate {
         }
         
         Timer.scheduledTimer(withTimeInterval: 2, repeats: false) { [weak self] _ in
+            DispatchQueue.main.async {
+                self?.presentingViewController?.dismiss(animated: true, completion: {
                     self?.conversationVC?.showInputAccessoryView()
-            self?.presentingViewController?.dismiss(animated: true, completion: nil)
+                })
+            }
         }
     }
     

Session/Conversations/ConversationVC+Interaction.swift

@@ -791,17 +791,29 @@ extension ConversationVC:
     }
     
     func hideInputAccessoryView() {
+        guard Thread.isMainThread else {
             DispatchQueue.main.async {
+                self.hideInputAccessoryView()
+            }
+            return
+        }
         self.inputAccessoryView?.isHidden = true
         self.inputAccessoryView?.alpha = 0
     }
-    }
     
     func showInputAccessoryView() {
-        UIView.animate(withDuration: 0.25, animations: {
+        guard Thread.isMainThread else {
+            DispatchQueue.main.async {
+                self.showInputAccessoryView()
+            }
+            return
+        }
         self.inputAccessoryView?.isHidden = false
         self.inputAccessoryView?.alpha = 1
-        })
+//        UIView.animate(withDuration: 0.25, animations: {
+//            self.inputAccessoryView?.isHidden = false
+//            self.inputAccessoryView?.alpha = 1
+//        })
     }
 
     // MARK: MessageCellDelegate