* WindowPosCallback added.

CORE.Window.position is now properly kept in sync with the glfw window position.

* Update rcore_desktop_glfw.c

Comments updated.

* Setting CORE.Window.position correctly in InitPlatform() as well.

This also fixes not centering the window correctly when the high dpi flag was enabled.

* Fixes centering the window in the SetWindowMonitor() function.

Here the render size has to be used again in case the high dpi flag is enabled.

* Update Window Position

Update Window Position right away in ToggleFullscreen() & ToggleBorderlessWindowed() functions