Add no-op sourceViewTag prop handler on Android

Prevents warnings from an unhandled prop on the Android side.

https://claude.ai/code/session_011cNDhEb2cDgg5QbVuzEyH1

modules/bottom-sheet/android/src/main/java/expo/modules/bottomsheet/BottomSheetModule.kt

@@ -48,6 +48,8 @@ class BottomSheetModule : Module() {
         Prop("preventExpansion") { view: BottomSheetView, prop: Boolean ->
           view.preventExpansion = prop
         }
+
+        Prop("sourceViewTag") { _: BottomSheetView, _: Int? -> }
       }
     }
 }