Ceph - Scrub APIs 'list-inconsistent-snapset' does not list the faulty snapset attr properly

Issue

• Scrub APIs 'list-inconsistent-snapset' does not list the faulty snapset attr properly
• Deleting snapset attrs from all head objects does not show the proper sanpattr missing error in list-inconsistent-snapset.

# rados list-inconsistent-snapset 59.b --format=json-pretty
[
    {
        "name": "obj10",
        "nspace": "",
        "locator": "",
        "snap": "0x00000001",
        "ss_attr_missing": false,
        "ss_attr_corrupted": false,
        "clone_missing": false,
        "snapset_mismatch": false,
        "head_mismatch": false,
        "headless": false,
        "size_mismatch": false
    },
    {
        "name": "obj10",
        "nspace": "",
        "locator": "",
        "snap": "0x00000002",
        "ss_attr_missing": false,
        "ss_attr_corrupted": false,
        "clone_missing": false,
        "snapset_mismatch": false,
        "head_mismatch": false,
        "headless": false,
        "size_mismatch": false
    }
]

• In the above output, it does not throw any error related to ss_attr_missing.