Fix update checker not being called when screen is closed in a way ot…

…her than the button

- Fix update checker not being run when config screen is closed without the Done button

src/main/java/com/terraformersmc/modmenu/gui/ModMenuOptionsScreen.java

@@ -45,6 +45,7 @@ public void render(int mouseX, int mouseY, float delta) {
 
 	@Override
 	public void removed() {
+		ModMenu.checkForUpdates();
 		ModMenuConfigManager.save();
 	}
 }