`findEditorWindow` returned null because of the typo, so EditorWindow to drop the new file was detected incorrectly.
(cherry picked from commit f4ddbfa90d461656392e343abfe8d5572f25a1fe)
IJ-CR-147249
GitOrigin-RevId: 29308595d6a71164f48c8135f0e4fdae674c227c