Revert "Fixes listview shrinkwrap and hidden semantics node gets updated incorrectly. (#88814)" (#88886)

This reverts commit 0e9665e4.

* Adds label attributes

* fix test

* comments

* list equal

This reverts commit 048baa75.

This reverts commit c75edc26.

* Adds a semantics node flag to identify sliders.

* [fuchsia] Fix roll of engine PR #25167

This changes fixes tests failing due to new isKeyboardKey semantics
flag.

* Fix typo
Co-authored-by: Zachary Anderson <zanderso@users.noreply.github.com>

Update samples to use repo analysis options, Fix sample templates and a ton of analyzer issues (#77868)

* Adds set text semantics action to render editable

* addressing comments

* re-enable test

* fix test

* fix more test

* fix bad merge

* addressing comment

* update dynamic to Object?

This reverts commit ceca634e.

Remove references to `Window`, and switch usages to `PlatformDispatcher` or `SingletonFlutterWindow` (#69617)

* Remove references to dart:ui.Window, and point usages to PlatformDispatcher or SingletonFlutterWindow, as appropriate

* remove new test platform dispatchers

* Amend documentation

* Fix crash when widgetspan does not produce a semantics node in render paragraph

* fix comments

* fixed corner case, added test, refactored semantics widget

* addressing comment