shelvedstate should store info about interactive mode after D6679.
This patch modifies the behavior of hg unshelve --continue after
an unshelve on interactive mode to get the basename from the
Now I understand how this and the parent patches are arranged.
Why don't be have all the logic related to interactive in unshelvecontinue, including getting the name of the shelve we are processing.
Right now, we are getting name of top most shelve, however we should read the shelvedstate and get the name from there.