In windowed mode, the mouse is no longer grabbed when one of the UI/console catcher is active. When a UI menu is active, the system's hardware cursor is shown, using the game's custom cursor texture, instead of simulating and rendering the cursor in-game.
* Add exports to load a raw image from the renderer
* Set the hardware cursor to the game's custom mouse cursor texture
* When mouse is not grabbed, the mouse gets updated with absolute mouse position, relative to the window position
20 is the bare minimum for players, any value below makes movements look jittery on a 20 fps server. 30 is the optimal value based on network variation and fps variations