[BUG] mount.filesystems on AIX only reports first filesystems entry

Description
salt-ssh <aixminion> mount.filesystems or salt <aixminion> mount.filesystems on AIX only reports the first entry from /etc/filesystems (or the filesystems file specified by the config parameter) instead of all entries

Setup
No specific AIX minion configuration needed. Let's take the folllowing /tmp/filesystems file as example:

# cat /tmp/filesystems
/mnt/foo:
        dev             = /dev/bar
        vfs             = jfs2
        mount           = False

/mnt/foo2:
        dev             = /dev/bar2
        vfs             = jfs2
        mount           = False

Please be as specific as possible and give set-up details.

• on-prem machine
• VM (Virtualbox, KVM, etc. please specify)
• VM running on a cloud service, please be explicit and add details
• container (Kubernetes, Docker, containerd, etc. please specify)
• or a combination, please be explicit
• jails if it is FreeBSD
• [ x] classic packaging
• onedir packaging
• used bootstrap to install

Steps to Reproduce the behavior

With the /tmp/filesystems file described above execute the following on an AIX minion:

# salt-ssh aixXXX mount.filesystems config=/tmp/filesystems
aixXXX:
    ----------
    /mnt/foo:
        ----------
        dev:
            /dev/bar
        mount:
            False
        vfs:
            jfs2

Only the first entry "/mnt/foo" is reported. The second entry "/mnt/foo2" is not reported

Expected behavior
All entries from the selected filesystems file are reported.

Screenshots
If applicable, add screenshots to help explain your problem.

Versions Report

# salt-ssh --versions-report
Salt Version:
          Salt: 3004.2

Dependency Versions:
          cffi: Not Installed
      cherrypy: Not Installed
      dateutil: Not Installed
     docker-py: Not Installed
         gitdb: Not Installed
     gitpython: Not Installed
        Jinja2: 2.10.3
       libgit2: Not Installed
      M2Crypto: Not Installed
          Mako: Not Installed
       msgpack: 0.6.2
  msgpack-pure: Not Installed
  mysql-python: Not Installed
     pycparser: Not Installed
      pycrypto: Not Installed
  pycryptodome: 3.10.1
        pygit2: Not Installed
        Python: 3.7.12 (default, Dec 15 2021, 03:25:47)
  python-gnupg: Not Installed
        PyYAML: 5.4.1
         PyZMQ: 18.1.1
         smmap: Not Installed
       timelib: Not Installed
       Tornado: 4.5.3
           ZMQ: 4.3.4

System Versions:
          dist: aix 2
        locale: ISO8859-1
       machine: 00XXXXXXXXXX
       release: 2
        system: AIX
       version: AIX 2

Additional context
Add any other context about the problem here.

Start at the mount.filesystems entry point and the handling of the selected /etc/filesystems or config-specified file. Reproduce the issue with the provided /tmp/filesystems containing /mnt/foo and /mnt/foo2, then verify that the command reports every entry rather than only the first.