e2e: Uses Cypress instead of Puppeteer (#20753)

* WIP: intial commit

* Tests: Runs e2e tests

* Refactor: Adds BASE_URL support

* Refactor: Adds namespacing

* Refactor: Cleans up the Page api

* Build: Adds to build-branches-and-prs job for testing

* Build: Hardcoded image for now

* Refactor: Uses Selectors in App

* Refactor: Adds addDataSource flow

* WIP

* Refactor: Adds e2eScenario

* Refactor: Adds add and delete scenarios

* Refactor: Adds logging

* Refactor: Adds ability to for Selectors with variables

* Refactor: Using variable selectors instead

* Refactor: Adds flow until Share Panel

* Refactor: Adds clicking on rendered image link

* Refactor: Deletes log output

* Refactor: Updates snapshots

* Chore: Reverts changes

* Refactor: Removes log plugin because maybe it breaks yarn build

* Refactor: Adds rendered image download

* Refactor: Adds image comparison

* Refactor: Removes uncaught errors override

* Refactor: Changes order of images to compare

* Refactor: Updates truth image

* Build: Updates path to CI artifacts

* Refactor: Cleaning up types and config

* wip

* Refactor: Cleans up external api

* Refactor: More cleanup

* Refactor: More cleanup

* Refactor: Removes usages of Pages and Flows

* Refactor: Removes last traces of Cypress in spec

* Refactor: Adds comments

public/app/features/dashboard/components/AddPanelWidget/__snapshots__/AddPanelWidget.test.tsx.snap

@@ -35,7 +35,7 @@ exports[`Render should render component 1`] = `
       >
         <div>
           <a
-            aria-label="Add Query CTA button"
+            aria-label="Add Panel Widget CTA Button Add Query"
             className="add-panel-widget__link btn btn-inverse"
             href="#"
             onClick={[Function]}
@@ -54,7 +54,7 @@ exports[`Render should render component 1`] = `
         </div>
         <div>
           <a
-            aria-label="Choose Visualization CTA button"
+            aria-label="Add Panel Widget CTA Button Choose Visualization"
             className="add-panel-widget__link btn btn-inverse"
             href="#"
             onClick={[Function]}