feat(occ): add json output option to admin-delegation:show

[leftybournes]

• Resolves: Please add JSON output to admin-delegation:show #46610

Summary

Add option to output json with admin-delegation:show using --output=json or --output=json_pretty

Example Output (plain json):

{"currentDelegations":[{"section":"overview","delegations":[{"name":"Security & setup checks","settingId":"OCA\\Settings\\Settings\\Admin\\Overview","delegatedToGroups":""}]},{"section":"server","delegations":[{"name":"Background jobs","settingId":"OCA\\Settings\\Settings\\Admin\\Server","delegatedToGroups":""}]},{"section":"sharing","delegations":[{"name":"Global","settingId":"OCA\\Settings\\Settings\\Admin\\Sharing","delegatedToGroups":""}]},{"section":"theming","delegations":[{"name":"Global","settingId":"OCA\\Theming\\Settings\\Admin","delegatedToGroups":""}]},{"section":"ai","delegations":[{"name":"Artificial Intelligence","settingId":"OCA\\Settings\\Settings\\Admin\\ArtificialIntelligence","delegatedToGroups":""}]},{"section":"admindelegation","delegations":[{"name":"Users","settingId":"OCA\\Settings\\Settings\\Admin\\Users","delegatedToGroups":""},{"name":"Webhooks","settingId":"OCA\\WebhookListeners\\Settings\\Admin","delegatedToGroups":""}]}]}

Example Output (pretty json):

{
    "currentDelegations": [
        {
            "section": "overview",
            "delegations": [
                {
                    "name": "Security & setup checks",
                    "settingId": "OCA\\Settings\\Settings\\Admin\\Overview",
                    "delegatedToGroups": ""
                }
            ]
        },
        {
            "section": "server",
            "delegations": [
                {
                    "name": "Background jobs",
                    "settingId": "OCA\\Settings\\Settings\\Admin\\Server",
                    "delegatedToGroups": ""
                }
            ]
        },
        {
            "section": "sharing",
            "delegations": [
                {
                    "name": "Global",
                    "settingId": "OCA\\Settings\\Settings\\Admin\\Sharing",
                    "delegatedToGroups": ""
                }
            ]
        },
        {
            "section": "theming",
            "delegations": [
                {
                    "name": "Global",
                    "settingId": "OCA\\Theming\\Settings\\Admin",
                    "delegatedToGroups": ""
                }
            ]
        },
        {
            "section": "ai",
            "delegations": [
                {
                    "name": "Artificial Intelligence",
                    "settingId": "OCA\\Settings\\Settings\\Admin\\ArtificialIntelligence",
                    "delegatedToGroups": ""
                }
            ]
        },
        {
            "section": "admindelegation",
            "delegations": [
                {
                    "name": "Users",
                    "settingId": "OCA\\Settings\\Settings\\Admin\\Users",
                    "delegatedToGroups": ""
                },
                {
                    "name": "Webhooks",
                    "settingId": "OCA\\WebhookListeners\\Settings\\Admin",
                    "delegatedToGroups": ""
                }
            ]
        }
    ]
}

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)