fix(consumer): default adult_only correctly

consumer/src/db/labels.rs

···
         let default_setting = definition
             .and_then(|v| v.default_setting)
             .map(|v| v.to_string());
-        let adult_only = definition.and_then(|v| v.adult_only);
+        let adult_only = definition.and_then(|v| v.adult_only).unwrap_or_default();
         let locales = definition.and_then(|v| serde_json::to_value(&v.locales).ok());
 
         conn.execute(