Adding transition to dropdown arrow/

[DhairyaMajmudar]

Is your feature request related to a problem? Please describe.
The dropdown and drop-up arrow in the tabs bar is not showing and transition when it changes

Describe the solution you'd like
To add a transition to when the dropdown arrow changes to drop-up arrow.

Describe alternatives you've considered
N/A

Additional context
N/A

Are you working on this? (Yes/No)
Yes