fix: use cameleer logo as favicon, upgrade design system to v0.1.20, fix DataTable scroll

- Replace placeholder clock favicon with cameleer camel logo SVG
- Upgrade @cameleer/design-system from v0.1.19 to v0.1.20
- Add minHeight: 0 to main element to complete flex chain for fillHeight DataTable

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/package-lock.json

@@ -8,7 +8,7 @@
       "name": "ui",
       "version": "0.0.0",
       "dependencies": {
-        "@cameleer/design-system": "^0.1.19",
+        "@cameleer/design-system": "^0.1.20",
         "@tanstack/react-query": "^5.90.21",
         "lucide-react": "^1.7.0",
         "openapi-fetch": "^0.17.0",
@@ -277,9 +277,9 @@
       }
     },
     "node_modules/@cameleer/design-system": {
-      "version": "0.1.19",
-      "resolved": "https://gitea.siegeln.net/api/packages/cameleer/npm/%40cameleer%2Fdesign-system/-/0.1.19/design-system-0.1.19.tgz",
-      "integrity": "sha512-YpYJysWycqRiTMco3Fco8AIatJz/IU7EecTmUQLUrkcBUGfHOWzCTMYm47jRvNAjQrANoanYnXPKXRHg91NS2w==",
+      "version": "0.1.20",
+      "resolved": "https://gitea.siegeln.net/api/packages/cameleer/npm/%40cameleer%2Fdesign-system/-/0.1.20/design-system-0.1.20.tgz",
+      "integrity": "sha512-3fFW3z3Zg1qjUn6rEYlIeAAhlpEE5z6Udaf5LRPrlcpGCY2kA8EP3QSGQCKZG5HVsr3BtRxfN9TvFHVaZhrw4g==",
       "dependencies": {
         "lucide-react": "^1.7.0",
         "react": "^19.0.0",