Greg Spencer 4b39f071f3
Add controller argument to SubmenuButton (#125000)
## Description

This adds an optional argument to the `SubmenuButton` that allows the creator to supply a `MenuController` for controlling the menu.

## Related Issues
 - Fixes https://github.com/flutter/flutter/issues/124988

## Tests
 - Added tests for new argument.
2023-04-18 21:09:53 +00:00
..
2023-04-10 16:44:26 +00:00
2023-02-23 19:43:21 +00:00
2023-04-13 20:54:52 +00:00

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