store [nfc]: Add getters for realmName and realmIcon

Author: rajveermalviya

lib/model/store.dart

@@ -420,6 +420,10 @@ abstract class PerAccountStoreBase {
   /// Always equal to `account.realmUrl` and `connection.realmUrl`.
   Uri get realmUrl => connection.realmUrl;
 
+  String? get realmName => account.realmName;
+
+  Uri? get realmIcon => account.realmIcon;
+
   /// Resolve [reference] as a URL relative to [realmUrl].
   ///
   /// This returns null if [reference] fails to parse as a URL.