feat: add search bar to dropdowns

[AnnaPolensky]

Description

fixes #334
Add search bar to dropdown inputs.

Testing

1. MaxQuant Import step
2. imputation step (e.g. imputation: min per protein)
3. protein quantification plot step -> test the searchbar in the dropdown dropdown

PR checklist

Development

• If necessary, I have updated the documentation (README, docstrings, etc.)
• If necessary, I have created / updated tests.

Mergeability

• main-branch has been merged into local branch to resolve conflicts
• The tests and linter have passed AFTER local merge
• The backend code has been formatted with black
• The frontend code has been formatted with pnpm format and checked with pnpm lint

Code review

• I have self-reviewed my code.
• At least one other developer reviewed and approved the changes

[Elena-kal]

Works well 👍