fix(breakout-rooms) disable lobby in breakout rooms

The main room lobby gets diverted to the rooms, things can get confusing. We
might need to revisit this in the future.

react/features/lobby/components/web/LobbySection.js

@@ -6,6 +6,7 @@ import { translate } from '../../../base/i18n';
 import { isLocalParticipantModerator } from '../../../base/participants';
 import { Switch } from '../../../base/react';
 import { connect } from '../../../base/redux';
+import { isInBreakoutRoom } from '../../../breakout-rooms/functions';
 import { toggleLobbyMode } from '../../actions';
 
 type Props = {
@@ -139,8 +140,10 @@ function mapStateToProps(state: Object): $Shape<Props> {
 
     return {
         _lobbyEnabled: state['features/lobby'].lobbyEnabled,
-        _visible: conference && conference.isLobbySupported() && isLocalParticipantModerator(state)
-            && !hideLobbyButton
+
+        // $FlowExpectedError
+        _visible: conference?.isLobbySupported() && isLocalParticipantModerator(state)
+            && !hideLobbyButton && !isInBreakoutRoom(state)
     };
 }
 

react/features/security/components/security-dialog/native/SecurityDialog.js

@@ -20,6 +20,7 @@ import { getFeatureFlag, MEETING_PASSWORD_ENABLED } from '../../../../base/flags
 import { translate } from '../../../../base/i18n';
 import { isLocalParticipantModerator } from '../../../../base/participants';
 import { StyleType } from '../../../../base/styles';
+import { isInBreakoutRoom } from '../../../../breakout-rooms/functions';
 import { toggleLobbyMode } from '../../../../lobby/actions.any';
 import LobbyModeSwitch
     from '../../../../lobby/components/native/LobbyModeSwitch';
@@ -430,7 +431,7 @@ function _mapStateToProps(state: Object): Object {
         _isModerator: isLocalParticipantModerator(state),
         _lobbyEnabled: lobbyEnabled,
         _lobbyModeSwitchVisible:
-            lobbySupported && isLocalParticipantModerator(state) && !hideLobbyButton,
+            lobbySupported && isLocalParticipantModerator(state) && !hideLobbyButton && !isInBreakoutRoom(state),
         _locked: locked,
         _lockedConference: Boolean(conference && locked),
         _password: password,