Table: Update e2e tests to support tableNextGen (#108184)

* Table: Force tableNextGen to be true for Playwright and false for Cypress

* RDG query for body text contains the headers too

* add some simple tests for row height

* dial in the row height test a little more

* more updates

* filters, pagination

* try this on CI

* more updates to the tests

* more tests

* wait for some sort stuff to flush

* replace class selectors for rdg

* target the click to the anchor in the header

apps/iam/pkg/apis/iam_manifest.go

@@ -14,8 +14,6 @@ import (
 	v0alpha1 "github.com/grafana/grafana/apps/iam/pkg/apis/iam/v0alpha1"
 )
 
-var ()
-
 var appManifestData = app.ManifestData{
 	AppName: "iam",
 	Group:   "iam.grafana.app",