Fix React 19 peer conflicts breaking npm ci in Docker build

package.json

@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@astryxdesign/core": "^0.4.3",
-    "@hello-pangea/dnd": "^17.0.0",
+    "@hello-pangea/dnd": "^18.0.1",
     "@hookform/resolvers": "^4.1.2",
     "@radix-ui/react-accordion": "^1.2.3",
     "@radix-ui/react-alert-dialog": "^1.1.6",
@@ -56,9 +56,7 @@
     "react-day-picker": "^10.0.1",
     "react-dom": "^19.2.8",
     "react-hook-form": "^7.54.2",
-    "react-leaflet": "^4.2.1",
     "react-markdown": "^9.0.1",
-    "react-quill": "^2.0.0",
     "react-resizable-panels": "^2.1.7",
     "react-router-dom": "^7.2.0",
     "recharts": "^2.15.4",