Playwright upgrade and small addition to ChannelsPage helper (#22978)

* partial commit

* upgrade playwright to 1.32.3 (ui + project dependencies support)

* revert empty line

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

e2e-tests/playwright/playwright.config.ts

@@ -6,7 +6,7 @@ import {defineConfig, devices} from '@playwright/test';
 import {duration} from '@e2e-support/util';
 import testConfig from '@e2e-test.config';
 
-const defaultOutputFolder = 'playwright-report';
+const defaultOutputFolder = './playwright-report';
 
 export default defineConfig({
     globalSetup: require.resolve('./global_setup'),