[Windows] Fixed ItemSpacing doesn't work in Carousel View

[SubhikshaSf4851]

[!NOTE] Are you waiting for the changes in this PR to be merged? It would be very helpful if you could test the resulting artifacts from this PR and let us know in a comment if this change resolves your issue. Thank you!

Root Cause:

CarouselView does not utilize the ItemSpacing property during layout styling

Description of Change

Added an item container style based on the horizontal or vertical orientation of the CarouselView, and applied a corresponding style to the ListViewBase

Issues Fixed

Fixes #29772

Tested the behaviour in the following platforms

• [x] Windows
• [x] Android
• [x] iOS
• [x] Mac

Screenshot

Before Issue Fix	After Issue Fix

[dotnet-policy-service[bot]]

Hey there @@SubhikshaSf4851! Thank you so much for your PR! Someone from the team will get assigned to your PR shortly and we'll get it reviewed.

[jsuarezruiz]

/azp run MAUI-UITests-public

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s).

[jsuarezruiz]

/azp run MAUI-UITests-public

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s).