Windows-Build: Not all build artifacts are in bin\debug

[kimkulling]

Describe the bug After VS-build is finished not all build artifacts are locate in \build\bin . The following DLLs are missing:

• assimp-dll (located at contrib/assimp/bin/debug)
• sdl2-dll (located in the installation folder on your local machine)

To Reproduce Run:

cmake --build .
cd bin\debug
.\osre_ed

Editor will not start. You have to copy the missing DLLs manually

Expected behavior All DLLs shall be in bin\debug

Desktop (please complete the following information):

• OS: Windows-10

Additional context N/A