Enable git stash on collab

crates/collab/src/db/queries/projects.rs

@@ -993,6 +993,7 @@ impl Database {
                         scan_id: db_repository_entry.scan_id as u64,
                         is_last_update: true,
                         merge_message: db_repository_entry.merge_message,
+                        stash_entries: Vec::new(),
                     });
                 }
             }