c6c518653c
## Description This PR fixes NavigationBar lacking visual feedback on the active destination indicator. ### Before: The navigation indicator does not change color when hovered or focused: https://github.com/user-attachments/assets/a1e67dee-4a38-4711-ba90-bdcd9bed3226 ### After: The navigation indicator color changes (slightly darker): https://github.com/user-attachments/assets/1b1cc335-2cf4-4c41-9c53-696537707c72 ## Related Issue Fixes [NavigationBar lacks visual feedback when focused or hovered](https://github.com/flutter/flutter/issues/163871) ## Tests - Updates several helper functions which are used by several tests. - Updates several test: adding an Ink widget changes the coordinates used in several tests because these coordinates are now relative to the Ink offset. - Will impact fours golden tests which were capturing the bad behavior (indicator color not changing when hovered or focused).