Implement aria-setsize

[HariniMalothu17]

Implement aria-setsize for view for Fabric

[similar-issues-ai]

We've found some similar issues:

• Implement aria-posinset  #14552 , similarity score: 87%
• Implement aria-level for Switch for Fabric #14551 , similarity score: 83%

If any of the above are duplicates, please consider closing this issue out and adding additional context in the original issue.

Note: You can give me feedback by 👍 or 👎 this comment.

[chiaramooney]

This prop is not component specific. We should edit this issue to reflect that.

Please:

• Edit issue name to be "Implement aria-setsize"
• Add issue description describing the prop and its intended behavior.
• Add issue to taklist list here: Aria Props on Fabric #11905

[vineethkuttan]

Changes have been implemented already

react-native-windows/vnext/Microsoft.ReactNative/Fabric/Composition/CompositionDynamicAutomationProvider.cpp

Lines 557 to 561 in cc126e4

	case UIA_SizeOfSetPropertyId: {
	pRetVal->vt = VT_I4;
	pRetVal->lVal = props->accessibilitySetSize;
	break;
	}

react-native-windows/vnext/src-win/Libraries/Components/View/ViewAccessibility.d.ts

Lines 58 to 64 in cc126e4

	accessibilitySetSize?: number | undefined; // Window
	/**
	* Indicates to accessibility services that the UI Component is within a set with the given size.
	*/
	'aria-setsize'?: number | undefined; // Windows