WIP: Custom scrollbar proto for dropdown

[jurokapsiar]

This PR adds Dropdown to the custom scrollbar prototypes.

TODO: border and shadow is not applied

[DustyTheBot]

	Fails
🚫	All of your entries in CHANGELOG.md should be in the **Unreleased** section!

	Warnings
⚠️	New package.json added: packages/state/package.json. Make sure you have approval before merging!
⚠️	Package (or peer) dependencies changed. Make sure you have approval before merging!

Changed dependencies are detected.

Changed dependencies in packages/code-sandbox/package.json

package	before	after
@stardust-ui/react	^0.39.0	^0.40.1

Changed dependencies are detected.

Changed dependencies in packages/react-bindings/package.json

package	before	after
@stardust-ui/accessibility	-	^0.40.0
@stardust-ui/state	-	^0.40.0

Changed dependencies are detected.

Changed dependencies in packages/internal-tooling/package.json

package	before	after
@stardust-ui/eslint-plugin	^0.39.0	^0.40.0

Changed dependencies are detected.

Changed dependencies in packages/react/package.json

package	before	after
@stardust-ui/accessibility	^0.39.0	^0.40.0
@stardust-ui/react-bindings	^0.39.0	^0.40.0
@stardust-ui/react-component-event-listener	^0.39.0	^0.40.0
@stardust-ui/react-component-nesting-registry	^0.39.0	^0.40.0
@stardust-ui/react-component-ref	^0.39.0	^0.40.0
@stardust-ui/react-proptypes	^0.39.0	^0.40.0
downshift	~3.2.10	3.2.14

Generated by 🚫 dangerJS

[codecov]

Codecov Report

Merging #2008 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #2008      +/-   ##
==========================================
+ Coverage   77.01%   77.02%   +<.01%     
==========================================
  Files         158      158              
  Lines        5456     5458       +2     
  Branches     1594     1579      -15     
==========================================
+ Hits         4202     4204       +2     
  Misses       1241     1241              
  Partials       13       13

Impacted Files	Coverage Δ
...ackages/react/src/components/Dropdown/Dropdown.tsx	87.84% <100%> (+0.03%)	⬆️
packages/react/src/components/List/List.tsx	100% <100%> (ø)	⬆️

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[jurokapsiar]

wrong approach and wrong merge. closing the PR as there is a replacement: #2092