add predefined image clipboard formats because GetClipboardFormatName cannot get a name for predefined. The Unknown_Format_ template is poor for system formats

src/Windows/Avalonia.Win32/ClipboardFormats.cs

@@ -36,7 +36,7 @@ namespace Avalonia.Win32
 
             new ClipboardFormat("Bitmap", (ushort)UnmanagedMethods.ClipboardFormat.CF_BITMAP),
             new ClipboardFormat("MetafilePict", (ushort)UnmanagedMethods.ClipboardFormat.CF_METAFILEPICT),
-            new ClipboardFormat("Dib", (ushort)UnmanagedMethods.ClipboardFormat.CF_DIB),
+            new ClipboardFormat("Dib", (ushort)UnmanagedMethods.ClipboardFormat.CF_DIB, (ushort)UnmanagedMethods.ClipboardFormat.CF_DIBV5),
             new ClipboardFormat("EnhancedMetafile", (ushort)UnmanagedMethods.ClipboardFormat.CF_ENHMETAFILE),
             new ClipboardFormat("Palette", (ushort)UnmanagedMethods.ClipboardFormat.CF_PALETTE),
             new ClipboardFormat("PenData", (ushort)UnmanagedMethods.ClipboardFormat.CF_PENDATA),

src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs

@@ -2162,6 +2162,10 @@ namespace Avalonia.Win32.Interop
             /// A handle to type HDROP that identifies a list of files. 
             /// </summary>
             CF_HDROP = 15,
+            /// <summary>
+            /// A memory object containing a BITMAPV5HEADER structure followed by the bitmap color space information and the bitmap bits.
+            /// </summary>
+            CF_DIBV5 = 17,
         }
 
         public struct MSG