Fix compiler error in examples/fullstack-auth (#3359)

Co-authored-by: Yongkie Wiyogo <6004558-ywiyogo@users.noreply.gitlab.com>

packages/web/Cargo.toml

@@ -54,6 +54,7 @@ features = [
     "CustomEvent",
     "DataTransfer",
     "Document",
+    "DomRectReadOnly",
     "DragEvent",
     "FocusEvent",
     "History",