group bug fix

Author: HanaPearlman

src/collection.ts

@@ -1536,7 +1536,7 @@ export class Collection implements OperationParent {
     let reduce = args.length ? args.shift() : undefined;
     let finalize = args.length ? args.shift() : undefined;
     let command = args.length ? args.shift() : undefined;
-    const options = args.length ? args.shift() || {} : {};
+    let options = args.length ? args.shift() || {} : {};
 
     // Make sure we are backward compatible
     if (!(typeof finalize === 'function')) {
@@ -1564,6 +1564,8 @@ export class Collection implements OperationParent {
     // Set up the command as default
     command = command == null ? true : command;
 
+    options = resolveInheritedOptions(this, options);
+
     if (command == null) {
       return executeOperation(
         getTopology(this),