fix(connection): restore New Connection dialog after RabbitMQ

New connection dialog crashed on open after rabbitmq was added without a category entry.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/desktop/src/components/connection/ConnectionDialog.vue

@@ -2202,7 +2202,7 @@ const dbCategoryDefinitions: Array<{
   {
     key: "mq",
     titleKey: "connection.databaseCategoryMq",
-    optionValues: ["mq", "kafka", "rocketmq"],
+    optionValues: ["mq", "kafka", "rocketmq", "rabbitmq"],
   },
   {
     key: "registry_config",