Merge pull request #20024 from emberjs/chriskrycho/fix-FactoryManager…

….create

[BUGFIX lts] Correctly associate props with factory and owner in FactoryManager

packages/@ember/-internals/container/lib/container.ts

@@ -504,14 +504,10 @@ export class FactoryManager<T, C extends FactoryClass | object = FactoryClass> {
       );
     }
 
-    let props = {};
+    let props = options ? { ...options } : {};
     setOwner(props, container.owner!);
     setFactoryFor(props, this);
 
-    if (options !== undefined) {
-      props = Object.assign({}, props, options);
-    }
-
     if (DEBUG) {
       let lazyInjections;
       let validationCache = this.container.validationCache;