Small fix

Author: matthewlipski

examples/03-ui-components/11-uppy-file-panel/src/FileReplaceButton.tsx

@@ -41,7 +41,7 @@ export const FileReplaceButton = () => {
 
   if (
     block === undefined ||
-    !blockHasType(block, editor, ["url"]) ||
+    !blockHasType(block, editor, { url: "string" }) ||
     !editor.isEditable
   ) {
     return null;