Fix backup not resuming after closed and reopen (#266)

* Fixed app not resuming backup after closing and reopening the app

* Fixed cosmetic effect of backup button doesn't change state right away after pressing start backup

* Fixed grammar

* Fixed deep copy problem that cause incorrect asset count when backing up

* Format code

mobile/lib/shared/models/user.model.dart

@@ -56,18 +56,19 @@ class User {
   factory User.fromJson(String source) => User.fromMap(json.decode(source));
 
   @override
-  String toString() => 'UserInfo(id: $id, email: $email, createdAt: $createdAt)';
+  String toString() =>
+      'UserInfo(id: $id, email: $email, createdAt: $createdAt)';
 
   @override
   bool operator ==(Object other) {
     if (identical(this, other)) return true;
 
     return other is User &&
-      other.id == id &&
-      other.email == email &&
-      other.createdAt == createdAt &&
-      other.firstName == firstName &&
-      other.lastName == lastName;
+        other.id == id &&
+        other.email == email &&
+        other.createdAt == createdAt &&
+        other.firstName == firstName &&
+        other.lastName == lastName;
   }
 
   @override