Fix reloading when base path

src/legacy/core_plugins/kibana/public/discover/np_ready/angular/discover.js

@@ -255,6 +255,15 @@ function discoverController(
     }
   });
 
+  // this listener is waiting for such a path http://localhost:5601/app/kibana#/discover
+  // which could be set through pressing "New" button in top nav or go to "Discover" plugin from the sidebar
+  // to reload the page in a right way
+  const unlistenHistoryBasePath = history.listen(({ pathname, search, hash }) => {
+    if (!search && !hash && pathname === '/discover') {
+      $route.reload();
+    }
+  });
+
   $scope.setIndexPattern = async id => {
     await replaceUrlAppState({ index: id });
     $route.reload();
@@ -310,6 +319,7 @@ function discoverController(
     stopStateSync();
     stopSyncingGlobalStateWithUrl();
     stopSyncingQueryAppStateWithStateContainer();
+    unlistenHistoryBasePath();
   });
 
   const getTopNavLinks = () => {