Login with QR UI components (#6790)

* Display QR button on login screen if HS supports

* Create start screen

* Add build flag

* Connect start screen to the login

* QR display screen

* Move `LabelledDividerView` into separate file

* Show display QR screen on button tap

* Add swift concurreny to CameraAccessManager

* Introduce `QRLoginServiceProtocol`

* Use new service in screens

* Introduce scan QR code screen

* Remove hardcoded service availability

* Remove unnecessary import

* Add confirmation screen

* Add loading screen

* Fix ZXingObjc targets

* Add failure screen

* Add strings

* Various UI tweaks, navigation according to the service state

* Fix tests

* Add string for invalid QR error

* Add QR login service mode

RiotSwiftUI/Modules/Common/Mock/MockAppScreens.swift

@@ -35,6 +35,12 @@ enum MockAppScreens {
         MockAuthenticationForgotPasswordScreenState.self,
         MockAuthenticationChoosePasswordScreenState.self,
         MockAuthenticationSoftLogoutScreenState.self,
+        MockAuthenticationQRLoginStartScreenState.self,
+        MockAuthenticationQRLoginDisplayScreenState.self,
+        MockAuthenticationQRLoginScanScreenState.self,
+        MockAuthenticationQRLoginConfirmScreenState.self,
+        MockAuthenticationQRLoginLoadingScreenState.self,
+        MockAuthenticationQRLoginFailureScreenState.self,
         MockOnboardingCelebrationScreenState.self,
         MockOnboardingAvatarScreenState.self,
         MockOnboardingDisplayNameScreenState.self,