Update change file and fix formatting for snap point implementation

Author: Nitin Chaudhary

change/react-native-windows-535a6feb-a06c-4d97-8ad6-ee5dce35c7ad.json

@@ -1,6 +1,6 @@
 {
     "type": "prerelease",
-    "comment": "Implement pagingEnabled prop support for Fabric ScrollView to enable page-by-page scrolling with viewport-sized snap points",
+    "comment": "Implement snap point parity for Fabric ScrollView: pagingEnabled (viewport-sized intervals), snapToInterval (custom interval snapping), and snapToAlignment (start/center/end alignment) matching iOS/Android/Paper behavior with priority hierarchy snapToOffsets > snapToInterval > pagingEnabled",
     "packageName": "react-native-windows",
     "email": "[email protected]",
     "dependentChangeType": "patch"

change/react-native-windows-d2576e88-05d8-4466-8174-cde30184796a.json

@@ -467,30 +467,28 @@ struct ScrollBarComponent {
       }
 
       winrt::com_ptr<IDWriteTextFormat> spTextFormat;
-      winrt::check_hresult(
-          ::Microsoft::ReactNative::DWriteFactory()->CreateTextFormat(
-              L"Segoe Fluent Icons",
-              nullptr, // Font collection (nullptr sets it to use the system font collection).
-              DWRITE_FONT_WEIGHT_REGULAR,
-              DWRITE_FONT_STYLE_NORMAL,
-              DWRITE_FONT_STRETCH_NORMAL,
-              8, //  Xaml resource: ScrollBarButtonArrowIconFontSize
-              L"",
-              spTextFormat.put()));
+      winrt::check_hresult(::Microsoft::ReactNative::DWriteFactory()->CreateTextFormat(
+          L"Segoe Fluent Icons",
+          nullptr, // Font collection (nullptr sets it to use the system font collection).
+          DWRITE_FONT_WEIGHT_REGULAR,
+          DWRITE_FONT_STYLE_NORMAL,
+          DWRITE_FONT_STRETCH_NORMAL,
+          8, //  Xaml resource: ScrollBarButtonArrowIconFontSize
+          L"",
+          spTextFormat.put()));
 
       winrt::check_hresult(spTextFormat->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_CENTER));
 
       winrt::com_ptr<IDWriteTextLayout> spTextLayout;
-      winrt::check_hresult(
-          ::Microsoft::ReactNative::DWriteFactory()->CreateTextLayout(
-              m_vertical ? ((region == ScrollbarHitRegion::ArrowFirst) ? L"\uEDDB" : L"\uEDDC")
-                         : ((region == ScrollbarHitRegion::ArrowFirst) ? L"\uEDD9" : L"\uEDDA"),
-              1, // The length of the string.
-              spTextFormat.get(), // The text format to apply to the string (contains font information, etc).
-              (m_arrowSize / m_scaleFactor), // The width of the layout box.
-              (m_arrowSize / m_scaleFactor), // The height of the layout box.
-              spTextLayout.put() // The IDWriteTextLayout interface pointer.
-              ));
+      winrt::check_hresult(::Microsoft::ReactNative::DWriteFactory()->CreateTextLayout(
+          m_vertical ? ((region == ScrollbarHitRegion::ArrowFirst) ? L"\uEDDB" : L"\uEDDC")
+                     : ((region == ScrollbarHitRegion::ArrowFirst) ? L"\uEDD9" : L"\uEDDA"),
+          1, // The length of the string.
+          spTextFormat.get(), // The text format to apply to the string (contains font information, etc).
+          (m_arrowSize / m_scaleFactor), // The width of the layout box.
+          (m_arrowSize / m_scaleFactor), // The height of the layout box.
+          spTextLayout.put() // The IDWriteTextLayout interface pointer.
+          ));
 
       POINT offset;
       {