Fix alignment on taskbar

[Members_bbd3Rim]

On the fixed taskbar the app icon and the bar between the taskbar and recent apps is too low vs the app icons. The taskbar is also too thick.

[USBetaModerator3]

Hello,

Thank you for sharing your suggestion with us.

We truly appreciate your input and value your engagement in the One UI Beta community. Feedback like yours helps us better understand the experiences and preferences of our users.

Thank you again for contributing to the One UI journey.

Regards,
One UI Beta Team