feat: issue tracker URLs in JSON + misc fixes

[Ice3man543]

Proposed changes

Closes #4852

> ./nuclei -id dns-saas-service-detection -u docs.projectdiscovery.io -rc issue-tracker-config.yaml  -j  | jq .

                     __     _
   ____  __  _______/ /__  (_)
  / __ \/ / / / ___/ / _ \/ /
 / / / / /_/ / /__/ /  __/ /
/_/ /_/\__,_/\___/_/\___/_/   v3.2.0-dev

                projectdiscovery.io

[INF] Current nuclei version: v3.2.0-dev (development)
[INF] Current nuclei-templates version: v9.7.7 (latest)
[WRN] Scan results upload to cloud is disabled.
[INF] New templates added in latest release: 82
[INF] Templates loaded for current scan: 1
[INF] Executing 1 signed templates from projectdiscovery/nuclei-templates
[INF] Targets loaded for current scan: 1
{
  "template": "dns/dns-saas-service-detection.yaml",
  "template-url": "https://cloud.projectdiscovery.io/public/dns-saas-service-detection",
  "template-id": "dns-saas-service-detection",
  "template-path": "/Users/ice3man/nuclei-templates/dns/dns-saas-service-detection.yaml",
  "info": {
    "name": "DNS SaaS Service Detection",
    "author": [
      "noah @thesubtlety",
      "pdteam"
    ],
    "tags": [
      "dns",
      "service"
    ],
    "description": "A CNAME DNS record was discovered",
    "reference": [
      "https://ns1.com/resources/cname",
      "https://www.theregister.com/2021/02/24/dns_cname_tracking/",
      "https://www.ionos.com/digitalguide/hosting/technical-matters/cname-record/"
    ],
    "severity": "info",
    "metadata": {
      "max-request": 1
    }
  },
  "type": "dns",
  "host": "docs.projectdiscovery.io",
  "matched-at": "docs.projectdiscovery.io",
  "extracted-results": [
    "cname.vercel-dns.com"
  ],
  "request": ";; opcode: QUERY, status: NOERROR, id: 63298\n;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1\n\n;; OPT PSEUDOSECTION:\n; EDNS: version 0; flags:; udp: 4096\n\n;; QUESTION SECTION:\n;docs.projectdiscovery.io.\tIN\t CNAME\n",
  "response": ";; opcode: QUERY, status: NOERROR, id: 63298\n;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1\n\n;; OPT PSEUDOSECTION:\n; EDNS: version 0; flags:; udp: 1232\n\n;; QUESTION SECTION:\n;docs.projectdiscovery.io.\tIN\t CNAME\n\n;; ANSWER SECTION:\ndocs.projectdiscovery.io.\t300\tIN\tCNAME\tcname.vercel-dns.com.\n",
  "timestamp": "2024-03-09T03:28:17.716858+05:30",
  "matcher-status": true,
  "issue_trackers": {
    "jira": {
      "id": "10052",
      "url": "https://xxxxx.atlassian.net/browse/KAN-53"
    }
  }
}

Checklist

• Pull request is created against the dev branch
• All checks passed (lint, unit/integration/regression tests etc.) with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)