[CI] Stabilize visual tests, remove appAction, and update pane buttons (#7033)

* Add a VISUAL_URL constant and remove all vestiges of hide inspector and tree

* hide timer and add concurrency

* turn off concurrency

* factor out old appAction

* Add expand button to panes

* remove old slow annotations

* fix fault

* update domcontentloaded

* missed refactor

* driveby: setTimeBounds private

* add comments to the percyCSS

* suggest MISSION_TIME

* more notes

* regen

* clean up test

* driveby: clean up order

* restructure

* add new suite now that i'ts hidden

* use mission time everywhere possible

* driveby

* rerun generatedata

* comments

* lintfix

e2e/tests/functional/smoke.e2e.spec.js

@@ -50,8 +50,6 @@ test('Verify that the create button appears and that the Folder Domain Object is
 
 test('Verify that My Items Tree appears @ipad', async ({ page, openmctConfig }) => {
   const { myItemsFolderName } = openmctConfig;
-  //Test.slow annotation is currently broken. Needs to be fixed in https://github.com/nasa/openmct/issues/5374
-  test.slow();
   //Go to baseURL
   await page.goto('./');