Add a couple more error messages during authentication. (#2497)

* Add copy for error when signing in with refresh tokens enabled.

* Show an error when a server's well-known file is invalid.

* Changelog.

* Fix wrong alert.

ElementX/Sources/Screens/Authentication/SoftLogoutScreen/SoftLogoutScreenCoordinator.swift

@@ -187,9 +187,7 @@ final class SoftLogoutScreenCoordinator: CoordinatorProtocol {
             // No need to show an error, the user cancelled authentication.
             break
         case .sessionTokenRefreshNotSupported:
-            // We should display a specific error saying that we do not support this kind of login
-            // But the copy is TBD
-            viewModel.displayError(.alert(L10n.errorUnknown))
+            viewModel.displayError(.refreshTokenAlert)
         default:
             viewModel.displayError(.alert(L10n.errorUnknown))
         }

ElementX/Sources/Screens/Authentication/SoftLogoutScreen/SoftLogoutScreenModels.swift

@@ -101,6 +101,8 @@ enum SoftLogoutScreenViewAction {
 enum SoftLogoutScreenErrorType: Hashable {
     /// A specific error message shown in an alert.
     case alert(String)
+    /// An alert that informs the user that login failed due to a refresh token being returned.
+    case refreshTokenAlert
     /// An unknown error occurred.
     case unknown
 }

ElementX/Sources/Screens/Authentication/SoftLogoutScreen/SoftLogoutScreenViewModel.swift

@@ -60,6 +60,10 @@ class SoftLogoutScreenViewModel: SoftLogoutScreenViewModelType, SoftLogoutScreen
             state.bindings.alertInfo = AlertInfo(id: type,
                                                  title: L10n.commonError,
                                                  message: message)
+        case .refreshTokenAlert:
+            state.bindings.alertInfo = AlertInfo(id: type,
+                                                 title: L10n.commonServerNotSupported,
+                                                 message: L10n.screenLoginErrorRefreshTokens)
         case .unknown:
             state.bindings.alertInfo = AlertInfo(id: type)
         }