[core][events]Fix for menu to correctly switch to group events

Author: Cookiezaurs

frontend/express/public/core/events/javascripts/countly.details.models.js

@@ -902,7 +902,13 @@
                                 res.list = res.list.map(eventName => countlyCommon.unescapeHtml(eventName));
                             }
                             context.commit("setAllEventsData", res);
-                            if ((!context.state.selectedEventName) || (res.map && res.map[context.state.selectedEventName] && !res.map[context.state.selectedEventName].is_visible) || (res.list && res.list.indexOf(context.state.selectedEventName) === -1)) {
+                            var is_group = false;
+                            if (context.state.selectedEventName && context.state.selectedEventName.startsWith('[CLY]_group')) {
+                                is_group = true;
+                            }
+                            if ((!context.state.selectedEventName) ||
+                            (res.map && res.map[context.state.selectedEventName] && !res.map[context.state.selectedEventName].is_visible) ||
+                            (res.list && res.list.indexOf(context.state.selectedEventName) === -1 && context.state && !is_group)) {
                                 var appId = countlyCommon.ACTIVE_APP_ID;
                                 var eventKeyForStorage = {};
                                 var eventKey = res.list[0];