fix(av-moderation) added optional chaining for moderation enabling

react/features/av-moderation/functions.js

  */
 export const isEnabledFromState = (mediaType: MediaType, state: Object) =>
     (mediaType === MEDIA_TYPE.AUDIO
-        ? getState(state).audioModerationEnabled
-        : getState(state).videoModerationEnabled) === true;
+        ? getState(state)?.audioModerationEnabled
+        : getState(state)?.videoModerationEnabled) === true;
 
 /**
  * Returns whether moderation is enabled per media type.