Added @click handler to buttons

[adamhun94]

As mentioned in issue #9, mouse clicks on action buttons are no longer working for newer versions of HA. So I duplicated @tap event handler so the buttons will work with @click events too.

[erwan33fr]

I tested the modification and it seem to fix the issue.
Thanks for this update.
To force the refresh after modifying the file, we can use a version field:
/local/multiline-text-input-card.js?v=1.0.5