Playwright: Fix remaining various-suite tests (#110667)

* get trace-view-scrolling working in playwright

* almost fix frontend-sandbox-datasource test

* properly fix frontend-sandbox-datasource tests

* convert migrate-to-cloud to playwright

* prometheus-variable-editor tests in playwright

* enable prometheus-config tests in playwright

* run on frontend changes

* skip test

* remove various-suite

.github/workflows/pr-e2e-tests.yml

@@ -208,8 +208,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - suite: various-suite
-            path: e2e/various-suite
           - suite: various-suite (old arch)
             path: e2e/old-arch/various-suite
             flags: --flags="--env dashboardScene=false"