fix an issue where the keyboard can be covering voice call buttons

Session/Calls/Call Management/SessionCallManager.swift

@@ -3,6 +3,7 @@
 import UIKit
 import CallKit
 import GRDB
+import SessionUIKit
 import SessionMessagingKit
 import SignalCoreKit
 import SignalUtilitiesKit
@@ -219,7 +220,10 @@ public final class SessionCallManager: NSObject, CallManagerProtocol {
                     preconditionFailure()   // FIXME: Handle more gracefully
                 }
                 
-                if let conversationVC: ConversationVC = presentingVC as? ConversationVC, conversationVC.viewModel.threadData.threadId == call.sessionId {
+                if
+                    let conversationVC: ConversationVC = (presentingVC as? TopBannerController)?.wrappedViewController() as? ConversationVC,
+                    conversationVC.viewModel.threadData.threadId == call.sessionId
+                {
                     let callVC = CallVC(for: call)
                     callVC.conversationVC = conversationVC
                     conversationVC.inputAccessoryView?.isHidden = true

Session/Calls/Views & Modals/IncomingCallBanner.swift

@@ -202,7 +202,7 @@ final class IncomingCallBanner: UIView, UIGestureRecognizerDelegate {
         else { preconditionFailure() } // FIXME: Handle more gracefully
         
         let callVC = CallVC(for: self.call)
-        if let conversationVC = presentingVC as? ConversationVC {
+        if let conversationVC = (presentingVC as? TopBannerController)?.wrappedViewController() as? ConversationVC {
             callVC.conversationVC = conversationVC
             conversationVC.inputAccessoryView?.isHidden = true
             conversationVC.inputAccessoryView?.alpha = 0

Session/Meta/AppDelegate.swift

@@ -834,7 +834,10 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
         
         let callVC: CallVC = CallVC(for: call)
         
-        if let conversationVC: ConversationVC = presentingVC as? ConversationVC, conversationVC.viewModel.threadData.threadId == call.sessionId {
+        if
+            let conversationVC: ConversationVC = (presentingVC as? TopBannerController)?.wrappedViewController() as? ConversationVC,
+            conversationVC.viewModel.threadData.threadId == call.sessionId
+        {
             callVC.conversationVC = conversationVC
             conversationVC.inputAccessoryView?.isHidden = true
             conversationVC.inputAccessoryView?.alpha = 0

SessionUIKit/Components/TopBannerController.swift

@@ -150,6 +150,12 @@ public class TopBannerController: UIViewController {
     }
     
     // MARK: - Functions
+    public func wrappedViewController() -> UIViewController? {
+        if let navVC = child as? UINavigationController {
+            return navVC.topViewController
+        }
+        return child
+    }
     
     public func attachChild() {
         child.willMove(toParent: self)