[PATCH v4 0/8] MR717: Implement application hives in the registry

[Santino Mazza (＠tati1454)]

Initial implementation for registry application hives, this is a step forward to get Visual Studio to run.
:-)

--
  v4: server: save app hive into it's file when closing handle.
      server/registry: pass file name instead of file handle to server.
      kernelbase: Implement RegLoadAppKey.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/717