three-ancient installed a much newer version (in pnpm-lock.yaml) when upgrading nextjs, so revert that (to unbreak sagews)

Author: williamstein

src/packages/frontend/package.json

@@ -157,7 +157,7 @@
     "shell-escape": "^0.2.0",
     "slate": "^0.103.0",
     "superb": "^3.0.0",
-    "three-ancient": "npm:three@^0.78.0",
+    "three-ancient": "npm:three@=0.78.0",
     "timeago": "^1.6.3",
     "tslib": "^2.3.1",
     "underscore": "^1.12.1",