Not adding /SDL3 causes CMake to no longer set the RUNPATh on
binaries in the build directory.
It also breaks compatibility with CMake versions older then 3.28.
reverts c56a3f60fe (xcode+cmake: use SDL3.framework folder as IMPORTED_LOCATION)
reverts ad3c7b92f8 (xcode+cmake: use SDL3.framework folder as IMPORTED_LOCATION)