correct small bug

Author: carlosuc3m

src/main/java/ai/nets/samj/ij/ui/IJ1PromptsProvider.java

@@ -571,6 +571,7 @@ public void switchToNone() {
 		this.isRect = false;
 		this.isPoints = false;
 		this.isFreehand = false;
+		this.deRegisterListeners();
 	}
 
 	@Override