refactor: initial inventory only to owner

common/traits/receptacle.trait.js

@@ -147,6 +147,14 @@ export class Receptacle extends decorate(Trait) {
     this.qtyListeners.delete(item);
   }
 
+  toNetwork(informed) {
+    const json = this.toJSON();
+    if (informed !== this.entity) {
+      json.params.slots = {};
+    }
+    return json;
+  }
+
   methods() {
     return {