FIX: OpenFolderPanel dialog has no option to create new directory on Mac #33

Author: gkngkc

Plugins/MacOS/StandaloneFileBrowser/Plugin.mm

@@ -196,6 +196,9 @@ - (NSOpenPanel*)createOpenPanel:(NSString*)title
         [panel setCanChooseDirectories:canChooseFolders];
         [panel setAllowsMultipleSelection:multiselect];
         [panel setDirectoryURL:[NSURL fileURLWithPath:directory]];
+        if ([panel respondsToSelector:@selector(setCanCreateDirectories:)]) {
+            [panel setCanCreateDirectories:YES];
+        }
 
         return panel;
     }