E2E/Playwright: Update dependencies, screenshots, config and type (#23000)

* update dependencies

* update default server config and client type

* close browser context once test is done

* fix test when switching a product

* update screenshots and readme

* add cross-env and make headless mode as default

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Co-authored-by: Mattermost Build <build@mattermost.com>

e2e-tests/playwright/support/ui/components/global_header.ts

@@ -16,7 +16,7 @@ export default class GlobalHeader {
 
     async switchProduct(name: string) {
         await this.productSwitchMenu.click();
-        await this.container.getByRole('link', {name: ` ${name}`}).click();
+        await this.container.getByRole('link', {name}).click();
     }
 
     async toBeVisible(name: string) {