Fix file copying in Windows workflow

Author: adazem009

.github/workflows/windows-build.yml

@@ -65,8 +65,8 @@ jobs:
  - name: Copy files
  run: |
  mkdir win_release
- robocopy win_build release *.exe /S /MOV
- robocopy win_build release *.dll /S /MOV
+ for /r win_build %f in (*.exe) do @copy "%f" win_release
+ for /r win_build %f in (*.dll) do @copy "%f" win_release
  cd win_release
  windeployqt ${{ env.executable_name }}.exe --qmldir ..\win_build\src || exit 5
  for %%v in (*.dll) do windeployqt "%%v" || exit 5