Invalidate Action Token after first use

[tfcornerstone]

Invalidate Action Token after first use

[xgp]

@tfcornerstone thanks for the PR. We originally did this, but found some people were having problems with things like previews that opened the link, invalidating this. If you'd like it, it would need to be a new configuration param so as to maintain backwards compatibility.

[tfcornerstone]

@xgp I see, that does make sense.