Vagrantfile: Fix vagrant environment lookup for admin nodes
The vagrant up
instruction currently fails in trying to find a file which does not
exist. This is due to an environment declaration and branch mismatch.
This commit fixes it.
Related to migrated/migration$1210 Related to T3749
Test Plan
One of each environment's machine has been built to ensure everything is fine:
|-----------------------------+-------------+---------------+------------|
| Command | environment | without patch | with patch |
|-----------------------------+-------------+---------------+------------|
| `vagrant up admin-bardo` | admin | KO | OK |
| `vagrant up logstash` OK | production | OK | OK |
| `vagrant up staging-webapp` | staging | OK | OK |
|-----------------------------+-------------+---------------+------------|
Migrated from D6672 (view on Phabricator)