These haven't been written yet, but current code can be adapted to use these now.
It's no longer a DIALOG_SHIM so it can't depend on its fixup. Fixes https://gitlab.com/kicad/code/kicad/issues/4611
* Implement ReparentQuasiModal for OSX natively * Implement ForceFocus of OSX natively This change means we no longer rely on the kicad-specific functions in our osx wx fork.