[kbn-data-forge] fix mongodb duplicate component name (#190660)

Noticed this error during data forge resources cleanup caused by
duplicated name

```
info Deleteing components for logs-mongodb@template (mongodb_8.0.0_base,mongodb_8.0.0_log,mongodb_8.0.0_host,mongodb_8.0.0_host)
ERROR Failed to delete {"options":{"redaction":{"type":"replace","additionalKeys":[]}},"name":"ResponseError","meta":{"body":{"error":{"root_cause":[{"type":"resource_not_found_exception","reason":"mongodb_8.0.0_host"}],"type":"resource_not_found_exception","reason":"mongodb_8.0.0_host"},
```

x-pack/packages/kbn-data-forge/src/data_sources/fake_stack/mongodb/ecs/index.ts

@@ -21,7 +21,7 @@ const components = [
   { name: `${MONGODB}_${ECS_VERSION}_base`, template: base },
   { name: `${MONGODB}_${ECS_VERSION}_log`, template: log },
   { name: `${MONGODB}_${ECS_VERSION}_host`, template: host },
-  { name: `${MONGODB}_${ECS_VERSION}_host`, template: mongodb },
+  { name: `${MONGODB}_${ECS_VERSION}_mongodb`, template: mongodb },
 ];
 
 export const indexTemplate: IndexTemplateDef = {