Fix: Setting flags disables fullscreen #4618 (#4619)

src/platforms/rcore_desktop_glfw.c

@@ -322,7 +322,7 @@ void SetWindowState(unsigned int flags)
     }
 
     // State change: FLAG_FULLSCREEN_MODE
-    if ((CORE.Window.flags & FLAG_FULLSCREEN_MODE) != (flags & FLAG_FULLSCREEN_MODE))
+    if ((CORE.Window.flags & FLAG_FULLSCREEN_MODE) != (flags & FLAG_FULLSCREEN_MODE) && ((flags & FLAG_FULLSCREEN_MODE) > 0))
     {
         ToggleFullscreen();     // NOTE: Window state flag updated inside function
     }