fixup: item_deleted

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: cfm

securedrop/journalist_app/api2/events.py

@@ -142,8 +142,11 @@ def handle_item_deleted(event: Event, minor: int) -> EventResult:
         except ValueError as exc:
             if str(exc).startswith("Path does not exist"):
                 return EventResult(event_id=event.id, status=(EventStatusCode.Gone, None))
-            else:
-                raise
+
+            return EventResult(
+                event_id=event.id,
+                status=(EventStatusCode.InternalServerError, str(exc)),
+            )
 
     @staticmethod
     def handle_reply_sent(event: Event, minor: int) -> EventResult: