Adding animation for all dropdown

What does this MR do?

This MR is adding slide in/out with faded animation effect for all Dropdown

Why was this MR needed?

See #26208 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added
• [ ] Documentation created/updated
• [ ] API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

closes #26208 (closed)