Improve image editing by using a new capture method

Replace html2canvas with html-to-image for DOM capture in the image editor.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: ae4037a0-2a6f-4530-9bac-79b543286bda
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/397bca8c-984f-43ff-841a-10897aeb8140/ae4037a0-2a6f-4530-9bac-79b543286bda/RUoRc2A

package.json

@@ -63,6 +63,7 @@
     "express": "^4.21.2",
     "express-session": "^1.18.1",
     "framer-motion": "^11.13.1",
+    "html-to-image": "^1.11.13",
     "html2canvas": "^1.4.1",
     "input-otp": "^1.4.2",
     "lucide-react": "^0.453.0",