`eessi check` prints {repo_path} is available if repo is not mounted.

[SebastianAchilles]

I got the following output on a system where the mountpoint /cvmfs/software.eessi.io exsists, but was not mounted:

$ eessi check
📦 Checking for EESSI repositories...
    ❌ ERROR /cvmfs/dev.eessi.io is NOT available
    ❌ ERROR /cvmfs/riscv.eessi.io is NOT available
    ✅ OK /cvmfs/software.eessi.io is available

🔎 Inspecting EESSI repository software.eessi.io...
    ✅ OK /cvmfs/software.eessi.io is available
    ❌ ERROR Revision (client):  UNKNOWN
    💻 Client cache:
        ℹ Path to client cache directory: /dev/shm/cvmfs-cache/shared
        ℹ Shared cache: yes
        ℹ Client cache quota limit: 3.90625 GiB
        ❌ ERROR Required field 'Cache Usage' not found!
        ❌ ERROR Number of cache cleanups in last 24h:  UNKNOWN
    🌍 Server/proxy settings:
        ℹ List of Stratum-1 mirror servers: http://134.94.198.156/cvmfs/software.eessi.io
        ℹ Proxy servers: http://jpbl-s03-04.jupiter.internal:3128
        ℹ GeoAPI enabled: no
    💁 Other:
        ℹ Client profile:

Expected output:

❌ ERROR /cvmfs/software.eessi.io is NOT available