fix(gitlab): Fix auth error when trying to sync public gitlab.com project with no token#748

msukkari merged 3 commits intomainsourcebot-dev/sourcebot:mainfrom

michael/sou-220-bug-unable-to-clone-public-gitlab-repos-from-gitlabcom-withsourcebot-dev/sourcebot:michael/sou-220-bug-unable-to-clone-public-gitlab-repos-from-gitlabcom-withCopy head branch name to clipboard