Change Details

Tested with following diffs. Testeds that after a button registares their coordinates the handler effect is fired and nux tip appears on the screen, rendering the button in the cprrect place

Tested with following diffs. Tested that after a button registeres their coordinates the handler effect is fired and nux tip appears on the screen, rendering the button in the correct place Tested that as the button unmounts, the cleanup function is called. Checked that it is not called in unexpected moments

Tested with following diffs. Testeds that after a button registareseres their coordinates the handler effect is fired and nux tip appears on the screen, rendering the button in the correct place Tested that as the button unmounts, the cleanup function is called. rendering the buttonChecked that it is not called in the cprrect placeunexpected moments