Allow iterable object to be detected as an object by foundry

module/data/fields/iterableTypedObjectField.mjs

@@ -6,25 +6,27 @@ export default class IterableTypedObjectField extends foundry.data.fields.TypedO
 
     #elementClass;
 
-    initialize(value) {
-        return new IterableObject(value, this.#elementClass);
-    }
-}
-
-class IterableObject {
-    constructor(values, elementClass) {
+    /** Initializes an object with an iterator. This modifies the prototype instead of */
+    initialize(values) {
+        const object = Object.create(IterableObjectPrototype);
         for (const [key, value] of Object.entries(values)) {
-            this[key] = new elementClass(value);
+            object[key] = new this.#elementClass(value);
+        }
+        return object;
     }
 }
 
-    *[Symbol.iterator]() {
+/** 
+ * The prototype of an iterable object. 
+ * This allows the functionality of a class but also allows foundry.utils.getType() to return "Object" instead of "Unknown".
+ */
+const IterableObjectPrototype = {
+    [Symbol.iterator]: function*() {
         for (const value of Object.values(this)) {
             yield value;
         }
-    }
-
-    map(func) {
+    },
+    map: function (func) {
         return Array.from(this, func);
     }
-}
+};