Add option to allow guest(moderators) to add a room password

config.js

     // Whether or not some features are checked based on token.
     // enableFeaturesBasedOnToken: false,
 
+    // Enable lock room for all moderators, even when userRolesBasedOnToken is enabled and participants are guests.
+    // lockRoomGuestEnabled: false,
+
     // Message to show the users. Example: 'The service will be down for
     // maintenance at 01:00 AM GMT,
     // noticeMessage: '',

react/features/base/participants/functions.js

  *
  * @param {Object|Function} stateful - Object or function that can be resolved
  * to the Redux state.
+ * @param {?boolean} ignoreToken - When true we ignore the token check.
  * @returns {boolean}
  */
-export function isLocalParticipantModerator(stateful: Object | Function) {
+export function isLocalParticipantModerator(
+        stateful: Object | Function,
+        ignoreToken: ?boolean = false) {
     const state = toState(stateful);
     const localParticipant = getLocalParticipant(state);
 
 
     return (
         localParticipant.role === PARTICIPANT_ROLE.MODERATOR
-            && (!state['features/base/config'].enableUserRolesBasedOnToken
+        && (ignoreToken
+                || !state['features/base/config'].enableUserRolesBasedOnToken
                 || !state['features/base/jwt'].isGuest));
 }
 

react/features/invite/components/info-dialog/web/InfoDialog.js

     } = state['features/base/conference'];
 
     return {
-        _canEditPassword: isLocalParticipantModerator(state),
+        _canEditPassword: isLocalParticipantModerator(state, state['features/base/config'].lockRoomGuestEnabled),
         _conference: conference,
         _conferenceName: room,
         _inviteURL: getInviteURL(state),