Fix MQTT config

src/validation/moduleConfig/mqtt.ts

@@ -4,7 +4,7 @@ import type { Protobuf } from "@meshtastic/meshtasticjs";
 
 export class MQTTValidation implements Protobuf.ModuleConfig_MQTTConfig {
   @IsBoolean()
-  disabled: boolean;
+  enabled: boolean;
 
   @Length(0, 30)
   address: string;