Cleanup how we setup the CallKit provider and have it be used for outgoing calls as well (#2967)

- tear down ElementCall screens when ending the call from the CXCallController
- make the call UI available in the task manager and lock screen
- Fix broken hang up widget message format

ElementX/Sources/Mocks/ElementCallServiceMock.swift

@@ -0,0 +1,28 @@
+//
+// Copyright 2024 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Combine
+import Foundation
+
+struct ElementCallServiceMockConfiguration { }
+
+extension ElementCallServiceMock {
+    convenience init(_ configuration: ElementCallServiceMockConfiguration) {
+        self.init()
+        
+        underlyingActions = PassthroughSubject().eraseToAnyPublisher()
+    }
+}

ElementX/Sources/Mocks/Generated/GeneratedMocks.swift

@@ -4697,15 +4697,15 @@ class ElementCallServiceMock: ElementCallServiceProtocol {
 
     //MARK: - setupCallSession
 
-    var setupCallSessionTitleUnderlyingCallsCount = 0
-    var setupCallSessionTitleCallsCount: Int {
+    var setupCallSessionRoomIDRoomDisplayNameUnderlyingCallsCount = 0
+    var setupCallSessionRoomIDRoomDisplayNameCallsCount: Int {
         get {
             if Thread.isMainThread {
-                return setupCallSessionTitleUnderlyingCallsCount
+                return setupCallSessionRoomIDRoomDisplayNameUnderlyingCallsCount
             } else {
                 var returnValue: Int? = nil
                 DispatchQueue.main.sync {
-                    returnValue = setupCallSessionTitleUnderlyingCallsCount
+                    returnValue = setupCallSessionRoomIDRoomDisplayNameUnderlyingCallsCount
                 }
 
                 return returnValue!
@@ -4713,28 +4713,28 @@ class ElementCallServiceMock: ElementCallServiceProtocol {
         }
         set {
             if Thread.isMainThread {
-                setupCallSessionTitleUnderlyingCallsCount = newValue
+                setupCallSessionRoomIDRoomDisplayNameUnderlyingCallsCount = newValue
             } else {
                 DispatchQueue.main.sync {
-                    setupCallSessionTitleUnderlyingCallsCount = newValue
+                    setupCallSessionRoomIDRoomDisplayNameUnderlyingCallsCount = newValue
                 }
             }
         }
     }
-    var setupCallSessionTitleCalled: Bool {
-        return setupCallSessionTitleCallsCount > 0
+    var setupCallSessionRoomIDRoomDisplayNameCalled: Bool {
+        return setupCallSessionRoomIDRoomDisplayNameCallsCount > 0
     }
-    var setupCallSessionTitleReceivedTitle: String?
-    var setupCallSessionTitleReceivedInvocations: [String] = []
-    var setupCallSessionTitleClosure: ((String) async -> Void)?
+    var setupCallSessionRoomIDRoomDisplayNameReceivedArguments: (roomID: String, roomDisplayName: String)?
+    var setupCallSessionRoomIDRoomDisplayNameReceivedInvocations: [(roomID: String, roomDisplayName: String)] = []
+    var setupCallSessionRoomIDRoomDisplayNameClosure: ((String, String) async -> Void)?
 
-    func setupCallSession(title: String) async {
-        setupCallSessionTitleCallsCount += 1
-        setupCallSessionTitleReceivedTitle = title
+    func setupCallSession(roomID: String, roomDisplayName: String) async {
+        setupCallSessionRoomIDRoomDisplayNameCallsCount += 1
+        setupCallSessionRoomIDRoomDisplayNameReceivedArguments = (roomID: roomID, roomDisplayName: roomDisplayName)
         DispatchQueue.main.async {
-            self.setupCallSessionTitleReceivedInvocations.append(title)
+            self.setupCallSessionRoomIDRoomDisplayNameReceivedInvocations.append((roomID: roomID, roomDisplayName: roomDisplayName))
         }
-        await setupCallSessionTitleClosure?(title)
+        await setupCallSessionRoomIDRoomDisplayNameClosure?(roomID, roomDisplayName)
     }
     //MARK: - tearDownCallSession