fix: pop loading dialog when loading finished for send forgot password request

Author: JacquesDIconica

packages/flutter_user/lib/src/flutter_user_navigator_userstory.dart

@@ -173,14 +173,13 @@ class _FlutterUserNavigatorUserstoryState
       var requestPasswordReponse =
           await userService!.requestChangePassword(email: email);
 
+      if (!mounted) return;
+      Navigator.of(context).pop();
+
       if (requestPasswordReponse.requestSuccesfull) {
-        if (context.mounted) {
-          await pushReplacement(_forgotPasswordSuccessScreen());
-        }
+        await pushReplacement(_forgotPasswordSuccessScreen());
       } else {
-        if (context.mounted) {
-          await push(_forgotPasswordUnsuccessfullScreen());
-        }
+        await push(_forgotPasswordUnsuccessfullScreen());
       }
     }
 
@@ -272,7 +271,7 @@ class _FlutterUserNavigatorUserstoryState
 
   Future<void> pushReplacement(Widget screen) async {
     if (!context.mounted) return;
-    await Navigator.of(context).push(
+    await Navigator.of(context).pushReplacement(
       MaterialPageRoute(
         builder: (context) => screen,
       ),