Add missing fields in PRESET alerts

[Aryan-sharma11]

Purpose of PR?:

Fixes #2302

{
  "Timestamp": 1765272001,
  "UpdatedTime": "2025-12-09T09:20:01.450811Z",
  "ClusterName": "default",
  "HostName": "aryan",
  "NamespaceName": "presets",
  "Owner": {
    "Ref": "Deployment",
    "Name": "fileless",
    "Namespace": "presets"
  },
  "PodName": "fileless-867bc8c769-g7mr5",
  "Labels": "app=fileless",
  "ContainerID": "af796c9c6d48dba28a5190336fcbea6c16b05904ec86af2175c463662b97a72a",
  "ContainerName": "fileless",
  "ContainerImage": "docker.io/kubearmor/ubuntu-w-utils:0.2@sha256:3e51e92a839b5e8f0dba01e08ec21fa2c1afe85111544a45aba29708c52de44f",
  "HostPPID": 3494068,
  "HostPID": 3625937,
  "PPID": 3494068,
  "PID": 110,
  "UID": 0,
  "ParentProcessName": "/usr/bin/dash",
  "ProcessName": "/proc/self/fd/3",
  "PolicyName": "ksp-preset-block-fileless",
  "Severity": "8",
  "Tags": "MITRE,VDSFKR",
  "ATags": [
    "MITRE",
    "VDSFKR"
  ],
  "Message": "Fileless execution is blocked",
  "Type": "MatchedPolicy",
  "Source": "/proc/self/fd/3",
  "Operation": "Process",
  "Resource": "memfd:",
  "Enforcer": "PRESET-FilelessExecutionPreset",
  "Action": "Block",
  "Result": "Permission denied",
  "Cwd": "/",
  "TTY": "pts0",
  "ExecEvent": {
    "ExecID": "15573283688141239",
    "ExecutableName": "python3"
  },
  "KubeArmorVersion": "v1.6.5-6-g01320956-dirty",
  "NodeID": "efc78266a44e507e428f499e4b92f75d2762926c45050a2ff15b16d834dd415f"
}

Does this PR introduce a breaking change?

If the changes in this PR are manually verified, list down the scenarios covered::

Additional information for reviewer? :
Mention if this PR is part of any design or a continuation of previous PRs

Checklist:

• Bug fix. Fixes #
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• PR Title follows the convention of <type>(<scope>): <subject>
• Commit has unit tests
• Commit has integration tests