Fix misleading accessibility hint on FlatList items

[Nitin-100]

Description

This PR fixes a misleading screen reader announcement on FlatList items.

Why

In the "A FlatList with header and footer" section, Narrator announces "Tap to select this item" when navigating over each list item. However, tapping or activating the item does not perform any visible action - the items are not actually selectable despite the announcement implying interactivity.

This confuses screen reader users who attempt to interact with items that don't respond, leading to frustration and reduced trust in the interface.

What

• NewArch/src/examples/FlatListExamplePage.tsx:
  • Removed accessibilityHint="Tap to select this item" from the renderAccessibleItem function
  • Changed accessibilityRole from "button" to "text" since items are non-interactive
  • Simplified accessibilityLabel to just display the item title

Screenshots

N/A - Accessibility fix, no visual changes

Testing

1. Open the app with Windows Narrator enabled
2. Navigate to All Samples > FlatList
3. Navigate to the list items in "A FlatList with header and footer" section
4. Verify Narrator no longer says "Tap to select this item"
5. Verify items are announced simply as text (e.g., "Item 1") without implying they are interactive buttons

Microsoft Reviewers: Open in CodeFlow

[vineethkuttan]

/azp run

[vineethkuttan]

/azp run

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