
## Description This PR fixes `DropdownButtonFormField` content padding when `ButtonTheme.alignedDropdown` is true. ### Before: An extra padding is added before the content when `alignedDropdown` is true:  ### After: The content has the same position whether `alignedDropdown` is true or false:  ## Related Issue Fixes https://github.com/flutter/flutter/issues/123783 ## Tests Adds 1 test.