Add Atlas exports and custom Atlas InfoSec icon

Exports page:
- Add Atlas Action Plans export card with three reports: Full Status,
  Coverage Gaps, and Full Report (multi-sheet with active, gaps, history)
- Reports join Atlas cache with Ivanti findings for hostname, IP, BU context

Atlas icon:
- Add AtlasIcon SVG component matching the Atlas InfoSec logo (badge with globe)
- Replace Database icon with AtlasIcon on exports card, sync button, and panel header

frontend/src/components/pages/ReportingPage.js

@@ -8,6 +8,7 @@ import CveTooltip from '../CveTooltip';
 import RedirectModal from '../RedirectModal';
 import AtlasBadge from '../AtlasBadge';
 import AtlasSlideOutPanel from '../AtlasSlideOutPanel';
+import AtlasIcon from '../AtlasIcon';
 
 const API_BASE = process.env.REACT_APP_API_BASE || 'http://localhost:3001/api';
 const STORAGE_KEY = 'steam_findings_columns_v2';
@@ -4508,7 +4509,7 @@ export default function VulnerabilityTriagePage({ filterDate, filterEXC }) {
                         >
                             {atlasSyncing
                                 ? <Loader style={{ width: 13, height: 13, animation: 'spin 1s linear infinite' }} />
-                                : <Database style={{ width: 13, height: 13 }} />}
+                                : <AtlasIcon style={{ width: 13, height: 13 }} />}
                             Atlas
                         </button>
                         <button