(core) Fix "Copy Link" in UserManager when its opened from a DocMenu page.

Test Plan: Added a check to the test case verifying the copied link.

Reviewers: paulfitz

Reviewed By: paulfitz

Differential Revision: https://phab.getgrist.com/D2673

app/client/ui/DocMenu.ts

@@ -310,7 +310,8 @@ export function makeDocOptionsMenu(home: HomeModel, doc: Document, renaming: Obs
       permissionData: api.getDocAccess(doc.id),
       activeEmail: user ? user.email : null,
       resourceType: 'document',
-      resourceId: doc.id
+      resourceId: doc.id,
+      linkToCopy: urlState().makeUrl(docUrl(doc)),
     });
   }