ref(config): Move config types from reducer to IConfig type

The properties are - visitors and disableRemoteControl.

react/features/base/config/configType.ts

     disableReactions?: boolean;
     disableReactionsModeration?: boolean;
     disableRecordAudioNotification?: boolean;
+    disableRemoteControl?: boolean;
     disableRemoteMute?: boolean;
     disableRemoveRaisedHandOnFocus?: boolean;
     disableResponsiveTiles?: boolean;
         mobileCodecPreferenceOrder?: Array<string>;
         persist?: boolean;
     };
+    visitors?: {
+        enableMediaOnPromote?: {
+            audio?: boolean;
+            video?: boolean;
+        };
+        queueService: string;
+    };
     watchRTCConfigParams?: IWatchRTCConfiguration;
     webhookProxyUrl?: string;
     webrtcIceTcpDisable?: boolean;

react/features/base/config/reducer.ts

     analysis?: {
         obfuscateRoomName?: boolean;
     };
-    disableRemoteControl?: boolean;
     error?: Error;
     oldConfig?: {
         bosh?: string;
         p2p?: object;
         websocket?: string;
     };
-    visitors?: {
-        enableMediaOnPromote?: {
-            audio?: boolean;
-            video?: boolean;
-        };
-        queueService: string;
-    };
 }
 
 ReducerRegistry.register<IConfigState>('features/base/config', (state = _getInitialState(), action): IConfigState => {