Dashboards: Enable scenes by default (#93818)

* Mark Scenes feature toggles as GA

* Move old arch e2e to a new folder

* Run E2E on scenes by default

* Upgrade e2e-selectors to ensure the tests in Playwright works

.github/workflows/run-scenes-e2e.yml

@@ -1,47 +0,0 @@
-name: Run dashboard scenes e2e
-
-on:
-  schedule:
-    - cron: "0 8 * * 1-5" # every day at 08:00UTC on weekdays
-  # push # uncomment for test run during PR
-
-env:
-  ARCH: linux-amd64
-
-jobs:
-  dashboard-scenes-e2e:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Pin Go version to mod file
-        uses: actions/setup-go@v5
-        with:
-          go-version-file: 'go.mod'
-      - run: go version
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 20
-      - name: Install dependencies
-        run: yarn install --immutable
-      - name: Build grafana
-        run: make build
-      - name: Install Cypress dependencies
-        uses: cypress-io/github-action@v6
-        with: 
-          runTests: false
-      - name: Run dashboard scenes e2e
-        run: yarn e2e:scenes
-      - name: "Send Slack notification"
-        if: ${{ failure() }}
-        uses: slackapi/slack-github-action@v1.26.0
-        with:
-          payload: >
-            {
-              "icon_emoji": ":this-is-fine-fire:",
-              "username": "Dashboard scenes e2e tests failed",
-              "text": "Link to run: https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}",
-              "channel": "#grafana-dashboards-squad"
-            }
-        env:
-          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}