Add conditional to don't show dropdown when no opition avaible

bigbluebutton-html5/imports/ui/components/chat/chat-dropdown/component.jsx

@@ -144,11 +144,14 @@ class ChatDropdown extends PureComponent {
   }
 
   render() {
-    const { intl } = this.props;
+    const {
+      intl,
+      amIModerator,
+    } = this.props;
     const { isSettingOpen } = this.state;
 
     const availableActions = this.getAvailableActions();
-
+    if (!amIModerator && !ENABLE_SAVE_AND_COPY_PUBLIC_CHAT) return null;
     return (
       <Dropdown
         isOpen={isSettingOpen}

bigbluebutton-html5/private/config/settings.yml

@@ -396,7 +396,7 @@ public:
     enabled: true
     itemsPerPage: 100
     timeBetweenFetchs: 1000
-    enableSaveAndCopyPublicChat: false
+    enableSaveAndCopyPublicChat: true
     bufferChatInsertsMs: 0
     startClosed: false
     min_message_length: 1