upgrade playwright dependencies, screenshots and tests (#29466)

e2e-tests/playwright/support/ui/pages/channels.ts

@@ -11,6 +11,7 @@ export default class ChannelsPage {
     readonly page: Page;
 
     readonly globalHeader;
+    readonly searchPopover;
     readonly centerView;
     readonly scheduledDraftDropdown;
     readonly scheduledDraftModal;
@@ -33,6 +34,7 @@ export default class ChannelsPage {
 
         // The main areas of the app
         this.globalHeader = new components.GlobalHeader(page.locator('#global-header'));
+        this.searchPopover = new components.SearchPopover(page.locator('#searchPopover'));
         this.centerView = new components.ChannelsCenterView(page.getByTestId('channel_view'));
         this.sidebarLeft = new components.ChannelsSidebarLeft(page.locator('#SidebarContainer'));
         this.sidebarRight = new components.ChannelsSidebarRight(page.locator('#sidebar-right'));