Fix: Grafana/e2e openPanelMenuExtension flow (#64974)

fix(e2e): update openPanelMenuExtension to open extensions menu

packages/grafana-e2e/src/flows/openPanelMenuItem.ts

@@ -4,6 +4,7 @@ export enum PanelMenuItems {
   Edit = 'Edit',
   Inspect = 'Inspect',
   More = 'More...',
+  Extensions = 'Extensions',
 }
 
 export const openPanelMenuItem = (menu: PanelMenuItems, panelTitle = 'Panel Title') => {
@@ -15,7 +16,7 @@ export const openPanelMenuItem = (menu: PanelMenuItems, panelTitle = 'Panel Titl
 export const openPanelMenuExtension = (extensionTitle: string, panelTitle = 'Panel Title') => {
   e2e.components.Panels.Panel.title(panelTitle).should('be.visible').click();
 
-  e2e.components.Panels.Panel.headerItems(PanelMenuItems.More)
+  e2e.components.Panels.Panel.headerItems(PanelMenuItems.Extensions)
     .should('be.visible')
     .parent()
     .parent()