Update CardTheme, DrawerTheme, NavigationBar, and NavigationRailTheme tests for M2/M3

[QuncCccccc]

Updated unit tests for CardTheme, DrawerTheme, NavigationBar, and NavigationRailTheme to have M2 and M3 versions.

More info in #127064

Pre-launch Checklist

• I read the [Contributor Guide] and followed the process outlined there for submitting PRs.
• I read the [Tree Hygiene] wiki page, which explains my responsibilities.
• I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement].
• I signed the [CLA].
• I listed at least one issue that this PR fixes in the description above.
• I updated/added relevant documentation (doc comments with ///).
• I added new tests to check the change I am making, or this PR is [test-exempt].
• All existing and new tests are passing.

[HansMuller]

Currently there are some test failures, e.g.

 ══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
 The following TestFailure was thrown running a test:
 Expected: MaterialColor:<MaterialColor(primary value: Color(0xff2196f3))>
   Actual: Color:<Color(0xff6750a4)>
 When the exception was thrown, this was the stack:
 #4      main.<anonymous closure> (file:///b/s/w/ir/x/w/flutter/packages/flutter/test/material/drawer_theme_test.dart:154:5)
 <asynchronous suspension>
 <asynchronous suspension>
 (elided one frame from package:stack_trace)
 This was caught by the test expectation on the following line:
   file:///b/s/w/ir/x/w/flutter/packages/flutter/test/material/drawer_theme_test.dart line 154
 The test description was:
   Material3 - Default values are used when no Drawer or DrawerThemeData properties are specified in
   end drawer
 ════════════════════════════════════════════════════════════════════════════════════════════════════
 06:46 +7906 ~23 -1: /b/s/w/ir/x/w/flutter/packages/flutter/test/material/drawer_theme_test.dart: Material3 - Default values are used when no Drawer or DrawerThemeData properties are specified in end drawer [E]
   Test failed. See exception logs above.
   The test description was: Material3 - Default values are used when no Drawer or DrawerThemeData properties are specified in end drawer
   

[QuncCccccc]

Currently there are some test failures, e.g.

 ══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
 The following TestFailure was thrown running a test:
 Expected: MaterialColor:<MaterialColor(primary value: Color(0xff2196f3))>
   Actual: Color:<Color(0xff6750a4)>
 When the exception was thrown, this was the stack:
 #4      main.<anonymous closure> (file:///b/s/w/ir/x/w/flutter/packages/flutter/test/material/drawer_theme_test.dart:154:5)
 <asynchronous suspension>
 <asynchronous suspension>
 (elided one frame from package:stack_trace)
 This was caught by the test expectation on the following line:
   file:///b/s/w/ir/x/w/flutter/packages/flutter/test/material/drawer_theme_test.dart line 154
 The test description was:
   Material3 - Default values are used when no Drawer or DrawerThemeData properties are specified in
   end drawer
 ════════════════════════════════════════════════════════════════════════════════════════════════════
 06:46 +7906 ~23 -1: /b/s/w/ir/x/w/flutter/packages/flutter/test/material/drawer_theme_test.dart: Material3 - Default values are used when no Drawer or DrawerThemeData properties are specified in end drawer [E]
   Test failed. See exception logs above.
   The test description was: Material3 - Default values are used when no Drawer or DrawerThemeData properties are specified in end drawer
   

Thanks for letting me know! I fixed the error yesterday but seems one test can pass locally but not on Github again(error link). Taking a look.

[TahaTesser]

LGTM!