backport x11/sdl2 fixes 4b1378f X11: fix size/position (test video_setWindowCenteredOnDisplay) this fix x11 backend to correctly pass video_setWindowCenteredOnDisplay() get border values early (eg status bar) wait for size/position change to get valid values d4d26e0 testautomation_video: if SDL_SetWindowSize/Position isn't honored, we should check there is an event x11: send the events if various occasions