Already cloned repos in workspace don't actually move branch HEAD to match origin branch ref when branch already checked out

[usergenic]

We need something akin to a git reset --hard origin/$BRANCH after the fetch to ensure a repo is actually up-to-date where this is the typically expected behavior.

I think the only time we don't want to do this is when the repo specified for the workspace is a local filesystem repo reference as opposed to a github repo reference.

[usergenic]

Fixed