fix: react-placeholder react 18 peerDep conflict (temp)

Author: spwoodcock

frontend/package.json

@@ -53,7 +53,7 @@
     "react-hot-toast": "^2.4.1",
     "react-intl": "^6.4.4",
     "react-meta-elements": "^1.0.0",
-    "react-placeholder": "^4.1.0",
+    "react-placeholder": "git+https://github.com/hotosm/react-placeholder.git",
     "react-redux": "^8.1.1",
     "react-router-dom": "^6.13.0",
     "react-select": "^5.7.3",