[Testing] Feature Matrix UITest Cases for Shadows (#27701)

* Added sample to Matrix UITest Cases for Shadow

* Renamed sample page

* Renamed sample page

* More tests

* More tests

* More tests

* More tests

* Added shadow tests

* Updated sample

* Added Windows snapshots

* Updated tests

* Added link to issue

* More changes

* Updated sample reset logic

* Updated sample

* More changes

* More changes

* More changes

* Updated sample

* Added snapshots

* Hide cursor

* More changes

* More snapshots

* Updated tests

* Updated iOS snapshots

* Updated iOS snapshots

* Updated snapshots

* Updated snapshots

* Updated tests

* [housekeeping] Automated PR to fix formatting errors on uitest-shadow-feature

* Updated tests

* Fix build errors

* More changes

* More changes

* More changes

* More changes

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Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: 2 people

eng/pipelines/common/ui-tests.yml

@@ -31,7 +31,7 @@ parameters:
     - 'ScrollView,SearchBar,Shape,Slider,SoftInput,Stepper,Switch,SwipeView'
     - 'Shell'
     - 'TabbedPage,TableView,TimePicker,TitleView,ToolbarItem'
-    - 'ViewBaseTests,Visual,WebView,Window'
+    - 'Shadow,ViewBaseTests,Visual,WebView,Window'
 
   projects:
     - name: name