feat: native select styling

[mfranzke]

Proposed changes

Provide a styling for the native select elements options

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactoring (fix on existing components or architectural decisions)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Further comments

[github-actions]

🔭🐙🐈 Test this branch here: https://db-ux-design-system.github.io/core-web/review/feat-multi-select-native-select-styling

[Copilot]

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

Files not reviewed (1)

• packages/components/src/components/select/select.scss: Language not supported

Comments suppressed due to low confidence (2)

packages/components/src/components/select/select.lite.tsx:211

• Verify that rendering props.placeholder in the hidden option correctly supports accessibility and intended display, particularly when props.placeholder might be undefined.

<option hidden>{props.placeholder}</option>

packages/components/src/components/select/select.lite.tsx:212

• Confirm that using the component with else={props.children} properly replaces the previously rendered props.children and meets the design requirements for fallback content.

<Show when={props.options} else={props.children}>