fix: initialize visible_database_patterns in remaining initializers

crates/dbx-core/examples/table_import_live_bench.rs

@@ -170,6 +170,7 @@ fn connection_config(id: &str, database: BenchDatabase) -> Result<ConnectionConf
         database: Some(database_name),
         default_schema: None,
         visible_databases: None,
+        visible_database_patterns: None,
         visible_schemas: None,
         show_system_schemas: false,
         attached_databases: Vec::new(),