D583: commands: correctly show inactive multiheaded branches

[the31k]

the31k added inline comments.

INLINE COMMENTS

> test-branches.t:432
> -  3 files updated, 0 files merged, 2 files removed, 0 files unresolved
> -  $ hg commit -d '9 0' --close-branch -m 'reclosing this branch'
>    $ hg up -C b

I decided to move this commit before multihead branches testing takes place to keep this commit's revision number. Named the section "Reclose branch".

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D583

To: the31k, #hg-reviewers, yuja
Cc: yuja, mercurial-devel