xfs: stop exchanging reflink flags when exchanging mappings

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/xfs/libxfs/xfs_exchmaps.c",
                        "fs/xfs/libxfs/xfs_log_format.h",
                        "fs/xfs/xfs_bmap_util.c"
                    ],
                    "versions": [
                        {
                            "version": "f0bc4d134b46607967bda1205ce3226a1bd95f42",
                            "lessThan": "1fa2f3a7ef7ee0f2503a4b0afe24bc8c9d0820be",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f0bc4d134b46607967bda1205ce3226a1bd95f42",
                            "lessThan": "7d3b9b2c9dc57f93f36c716ab752548cb4db9900",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f0bc4d134b46607967bda1205ce3226a1bd95f42",
                            "lessThan": "4756c94260e69ce42612b8220c3614f02f7a11d5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f0bc4d134b46607967bda1205ce3226a1bd95f42",
                            "lessThan": "d84d6c1a7f1e2de9e601703a326a4c1b7b421943",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/xfs/libxfs/xfs_exchmaps.c",
                        "fs/xfs/libxfs/xfs_log_format.h",
                        "fs/xfs/xfs_bmap_util.c"
                    ],
                    "versions": [
                        {
                            "version": "4.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.114",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.57",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.11",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }