fix: handle functions while marshalling (usebruno#3102)

* fix: handle functions while marshalling

* fix: js style

Author: shishir-karanth

Diff for: packages/bruno-js/src/sandbox/quickjs/utils/index.js

@@ -25,6 +25,8 @@ const marshallToVm = (value, vm) => {
       }
       return obj;
     }
+  } else if (typeof value === 'function') {
+    return vm.newString('[Function (anonymous)]');
   }
 };