[Feature Request] slider has two drag events(change and input),but no click event

### Existing Component
是

### Component Name
slider

### Description
https://codepen.io/selfdialog/pen/xxxPEgm

Drag the slider using the input event logic to roll back to the value of 50, click on the input event logic to not make a judgment to roll back to the value of 50, you can try.
my requirement is that I can't drag or click forward at 50