[osx] Fix compilation error on DnD impl when CLIP_ENABLE_IMAGE is not defined

Author: dacap

os/osx/dnd.h

@@ -1,5 +1,5 @@
 // LAF OS Library
-// Copyright (C) 2024  Igara Studio S.A.
+// Copyright (C) 2024-2025  Igara Studio S.A.
 //
 // This file is released under the terms of the MIT license.
 // Read LICENSE.txt for more information.
@@ -26,9 +26,9 @@ class DragDataProviderOSX : public DragDataProvider {
   NSPasteboard* m_pasteboard;
 
   base::paths getPaths() override;
-
+  #if CLIP_ENABLE_IMAGE
   SurfaceRef getImage() override;
-
+  #endif
   std::string getUrl() override;
 
   bool contains(DragDataItemType type) override;

os/osx/dnd.mm

@@ -1,5 +1,5 @@
 // LAF OS Library
-// Copyright (C) 2024  Igara Studio S.A.
+// Copyright (C) 2024-2025  Igara Studio S.A.
 //
 // This file is released under the terms of the MIT license.
 // Read LICENSE.txt for more information.
@@ -35,6 +35,8 @@
   return files;
 }
 
+  #if CLIP_ENABLE_IMAGE
+
 SurfaceRef DragDataProviderOSX::getImage()
 {
   clip::image img;
@@ -45,6 +47,8 @@
   return os::instance()->makeSurface(img);
 }
 
+  #endif // CLIP_ENABLE_IMAGE
+
 std::string DragDataProviderOSX::getUrl()
 {
   NSURL* url = [NSURL URLFromPasteboard:m_pasteboard];