fix an keyboard issue of Calls

Session/Calls/Call Management/SessionCallManager+Action.swift

@@ -28,8 +28,8 @@ extension SessionCallManager {
             let callVC = CallVC(for: call)
             if let conversationVC = presentingVC as? ConversationVC {
                 callVC.conversationVC = conversationVC
-                conversationVC.inputAccessoryView?.isHidden = true
+                conversationVC.resignFirstResponder()
-                conversationVC.inputAccessoryView?.alpha = 0
+                conversationVC.hideInputAccessoryView()
             }
             
             presentingVC.present(callVC, animated: true) {

Session/Calls/Call Management/SessionCallManager.swift

@@ -246,6 +246,7 @@ public final class SessionCallManager: NSObject, CallManagerProtocol {
                 {
                     let callVC = CallVC(for: call)
                     callVC.conversationVC = conversationVC
+                    conversationVC.resignFirstResponder()
                     conversationVC.hideInputAccessoryView()
                     presentingVC.present(callVC, animated: true, completion: nil)
                 }

Session/Calls/Views & Modals/IncomingCallBanner.swift

@@ -204,8 +204,8 @@ final class IncomingCallBanner: UIView, UIGestureRecognizerDelegate {
         let callVC = CallVC(for: self.call)
         if let conversationVC = (presentingVC as? TopBannerController)?.wrappedViewController() as? ConversationVC {
             callVC.conversationVC = conversationVC
-            conversationVC.inputAccessoryView?.isHidden = true
+            conversationVC.resignFirstResponder()
-            conversationVC.inputAccessoryView?.alpha = 0
+            conversationVC.hideInputAccessoryView()
         }
         
         presentingVC.present(callVC, animated: true) { [weak self] in

Session/Conversations/ConversationVC+Interaction.swift

@@ -807,6 +807,8 @@ extension ConversationVC:
             }
             return
         }
+        self.isKeyboardVisible = self.snInputView.isKeyboardVisible
+        self.inputAccessoryView?.resignFirstResponder()
         self.inputAccessoryView?.isHidden = true
         self.inputAccessoryView?.alpha = 0
     }
@@ -821,6 +823,9 @@ extension ConversationVC:
         UIView.animate(withDuration: 0.25, animations: {
             self.inputAccessoryView?.isHidden = false
             self.inputAccessoryView?.alpha = 1
+            if self.isKeyboardVisible {
+                self.inputAccessoryView?.becomeFirstResponder()
+            }
         })
     }
 

Session/Conversations/ConversationVC.swift

@@ -22,6 +22,7 @@ final class ConversationVC: BaseVC, LibSessionRespondingViewController, Conversa
     private var isAutoLoadingNextPage: Bool = false
     private var isLoadingMore: Bool = false
     var isReplacingThread: Bool = false
+    var isKeyboardVisible: Bool = false
     
     /// This flag indicates whether the thread data has been reloaded after a disappearance (it defaults to true as it will
     /// never have disappeared before - this is only needed for value observers since they run asynchronously)

Session/Conversations/Input View/InputView.swift

@@ -141,6 +141,10 @@ final class InputView: UIView, InputViewButtonDelegate, InputTextViewDelegate, M
     }()
 
     private lazy var additionalContentContainer = UIView()
+    
+    public var isKeyboardVisible: Bool {
+        inputTextView.isFirstResponder
+    }
 
     // MARK: - Initialization
     
@@ -446,6 +450,10 @@ final class InputView: UIView, InputViewButtonDelegate, InputTextViewDelegate, M
     override func resignFirstResponder() -> Bool {
         inputTextView.resignFirstResponder()
     }
+    
+    override func becomeFirstResponder() -> Bool {
+        inputTextView.becomeFirstResponder()
+    }
 
     func handleLongPress(_ gestureRecognizer: UITapGestureRecognizer) {
         // Not relevant in this case

Session/Meta/AppDelegate.swift

@@ -904,8 +904,8 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
             conversationVC.viewModel.threadData.threadId == call.sessionId
         {
             callVC.conversationVC = conversationVC
-            conversationVC.inputAccessoryView?.isHidden = true
+            conversationVC.resignFirstResponder()
-            conversationVC.inputAccessoryView?.alpha = 0
+            conversationVC.hideInputAccessoryView()
         }
         
         presentingVC.present(callVC, animated: true, completion: nil)