PLT-3941 Updated the RHS menu logic for recent mentions to match the channel header, such that (at)all and (at)channel is removed from the search if the user has this included in their notification settings (#3842)

webapp/components/sidebar_right_menu.jsx

@@ -90,13 +90,14 @@ export default class SidebarRightMenu extends React.Component {
         if (user.notify_props && user.notify_props.mention_keys) {
             const termKeys = UserStore.getMentionKeys(user.id);
 
-            if (user.notify_props.all === 'true' && termKeys.indexOf('@all') !== -1) {
-                termKeys.splice(termKeys.indexOf('@all'), 1);
+            if (termKeys.indexOf('@channel') !== -1) {
+                termKeys[termKeys.indexOf('@channel')] = '';
             }
 
-            if (user.notify_props.channel === 'true' && termKeys.indexOf('@channel') !== -1) {
-                termKeys.splice(termKeys.indexOf('@channel'), 1);
+            if (termKeys.indexOf('@all') !== -1) {
+                termKeys[termKeys.indexOf('@all')] = '';
             }
+
             terms = termKeys.join(' ');
         }