DashboardScene: ShareModal + link sharing (#74955)

* DashboardScene: Panel menu updates, adding explore action

* DashboardScene: Panel menu updates, adding explore action

* Initial test

* Update

* share modal

* Update

* rename

* Update tests

* Fix test

* update

* Fix tooltip wording

* Update translation file

* fix e2e

* Extract ShareLinkTab component

* rename to overlay

---------

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>

packages/grafana-e2e-selectors/src/selectors/pages.ts

@@ -208,7 +208,7 @@ export const Pages = {
     linkToRenderedImage: 'Link to rendered image',
   },
   ShareDashboardModal: {
-    shareButton: 'Share dashboard or panel',
+    shareButton: 'Share dashboard',
     PublicDashboard: {
       Tab: 'Tab Public dashboard',
       WillBePublicCheckbox: 'data-testid public dashboard will be public checkbox',