feat(dialog): allow setting canCreateDirectories on macOS (#978)

* feat(dialog): allow setting `canCreateDirectories` on macOS

closes #949

* Discard changes to plugins/log/src/api-iife.js

* Discard changes to plugins/store/src/api-iife.js

* Discard changes to plugins/window-state/src/api-iife.js

* Update plugins/dialog/src/commands.rs

Co-authored-by: Fabian-Lars <fabianlars@fabianlars.de>

* Update plugins/dialog/src/commands.rs

Co-authored-by: Fabian-Lars <fabianlars@fabianlars.de>

* Update plugins/dialog/src/lib.rs

Co-authored-by: Fabian-Lars <fabianlars@fabianlars.de>

* Update plugins/dialog/guest-js/index.ts

Co-authored-by: Fabian-Lars <fabianlars@fabianlars.de>

* Update plugins/dialog/guest-js/index.ts

Co-authored-by: Fabian-Lars <fabianlars@fabianlars.de>

---------

Co-authored-by: Fabian-Lars <fabianlars@fabianlars.de>

plugins/dialog/src/desktop.rs

@@ -127,6 +127,8 @@ impl<R: Runtime> From<FileDialogBuilder<R>> for FileDialog {
             builder = builder.set_parent(&WindowHandle(parent));
         }
 
+        builder = builder.set_can_create_directories(d.can_create_directories.unwrap_or(true));
+
         builder
     }
 }