chore: use file-scoped namespace

src/Shared/Microsoft.Windows.Shell/Standard/GPS.cs

@@ -1,18 +1,17 @@
 using System;
 
-namespace Standard
+namespace Standard;
+
+internal enum GPS
 {
-    internal enum GPS
-    {
-        DEFAULT,
-        HANDLERPROPERTIESONLY,
-        READWRITE,
-        TEMPORARY = 4,
-        FASTPROPERTIESONLY = 8,
-        OPENSLOWITEM = 16,
-        DELAYCREATION = 32,
-        BESTEFFORT = 64,
-        NO_OPLOCK = 128,
-        MASK_VALID = 255
-    }
-}
+    DEFAULT,
+    HANDLERPROPERTIESONLY,
+    READWRITE,
+    TEMPORARY = 4,
+    FASTPROPERTIESONLY = 8,
+    OPENSLOWITEM = 16,
+    DELAYCREATION = 32,
+    BESTEFFORT = 64,
+    NO_OPLOCK = 128,
+    MASK_VALID = 255
+}