net/mlx5e: Don't clone flow post action attributes second time

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c",
                        "drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.h"
                    ],
                    "versions": [
                        {
                            "version": "8300f225268be9ee2c0daf5a3f23929fcdcbf213",
                            "lessThan": "c382b693ffcb1f1ebf60d76ab9dedfe9ea13eedf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8300f225268be9ee2c0daf5a3f23929fcdcbf213",
                            "lessThan": "8fd1dac646e6b08d03e3f1ad3c5b34255b1e08e8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8300f225268be9ee2c0daf5a3f23929fcdcbf213",
                            "lessThan": "2d57a514f9ab7d2d40f49b02d93edfcec8c78a9e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8300f225268be9ee2c0daf5a3f23929fcdcbf213",
                            "lessThan": "e9fce818fe003b6c527f25517b9ac08eb4661b5d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c",
                        "drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.h"
                    ],
                    "versions": [
                        {
                            "version": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.28",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.15",
                            "lessThanOrEqual": "6.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.2",
                            "lessThanOrEqual": "6.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }