Clicking on stage should remove the user from attention set

If a change failed to merge, author is added to the change attention set.
If the failure was flaky, author will just click stage again.
Then they need to manually remove themselves from the attention set.

If integrating a whole chain of changes (10 patches) it's cumbersome to have click 20 times (10 times stage and 10 times to remove from attention set).

It would be great if clicking stage would automatically remove the 'clicker' from attention set.