fix(av-moderation) - Mute/ stop video except no longer change moderation status

Mute everyone else no longer disables moderation

react/features/video-menu/components/AbstractMuteEveryoneDialog.js

         dispatch(muteAllParticipants(exclude, MEDIA_TYPE.AUDIO));
         if (this.state.audioModerationEnabled) {
             dispatch(requestEnableAudioModeration());
-        } else {
+        } else if (this.state.audioModerationEnabled !== undefined) {
             dispatch(requestDisableAudioModeration());
         }
 

react/features/video-menu/components/AbstractMuteEveryonesVideoDialog.js

         dispatch(muteAllParticipants(exclude, MEDIA_TYPE.VIDEO));
         if (this.state.moderationEnabled) {
             dispatch(requestEnableVideoModeration());
-        } else {
+        } else if (this.state.moderationEnabled !== undefined) {
             dispatch(requestDisableVideoModeration());
         }