Add `indicatorColor` & `indicatorShape` to `NavigationRail`, `NavigationDrawer` and move these properties from destination to `NavigationBar` (#117049)

* Add `IndicatorShape` to `NavigationRailTheme` and fix  indicator ripple.

* remove unused variables

* Added SafeArea for NavigationRail
Co-authored-by: Qun Cheng <quncheng@google.com>

* Use `curly_braces_in_flow_control_structures` for `material`

* include test/material

* add back removed comments

[Material] Use InkSparkle for splashFactory in ThemeData when useMaterial3 is true for Android non-web runtimes (#99882)

[Material] Use InkSparkle for splashFactory in ThemeData when useMaterial3 is true for Android non-web runtimes (#99882)

Adds MediaQuery.maybeOf to replace calling MediaQuery.of(context, nullOk: true), and removes the nullOk parameter. Also changes MediaQuery.of to return a non-nullable value, and removes many instances of the ! operator, reducing the possible places where a null dereference could occur.

[Material] Fix a jumping animation in the beginning of the extended Navigation Rail transition (#65659)

* Add semantics sort key for modal scope and modal barrier

* fix test

* fix test

* fix test

* fix space

* fix more tests

* addressing comments

* add language version 2.8 in packages/flutter

* enable non-nullable analyzer flag