Fixes IgnorePointer and AbsorbPointer to only block user interactions…

Remove 1745 decorative breaks

* add padding param to DropdownButton

* improve padding comment

* update test

* Add more context to documentation

* update padding documentation with more detail

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Co-authored-by: Kate Lovett <katelovett@google.com>

* Remove single-view assumption from material library

* one widget

* dart fix --apply

* manual fixes

* added dropdown and scaffoldmessenger FWW links

* added StatefulBuilder wotw link

* added Autocomplete FWW link

* removed accidental auto-formatting

* Use `curly_braces_in_flow_control_structures` for `material`

* include test/material

* add back removed comments

[DropdownButton]: Fix `alignment`parameter doesn't work for `hint` when `isExpanded: true` (#102752)

This reverts commit 5fd259be.