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/package.json

@@ -13,7 +13,7 @@
     "dependencies": {
         "@percy/cli": "1.18.0",
         "@percy/playwright": "1.0.4",
-        "@playwright/test": "1.30.0",
+        "@playwright/test": "1.32.3",
         "async-wait-until": "2.0.12",
         "chalk": "4.1.2",
         "deepmerge": "4.3.0",