Invalid argument supplied for foreach() $retailerIds on `vendor/smile/module-store-locator/Controller/Adminhtml/Retailer/MassSaveHours.php`

[tuyennn]

Preconditions

Magento Version : 2 All versions

Module Store Locator Version : 2.0.7

Environment : All

Third party modules : Doesn't matter

Steps to reproduce

1. Select All Retailer from Grid for enabling or Mass Editing Opening Hours
2. Got Invalid argument supplied for foreach() on vendor/smile/module-store-locator/Controller/Adminhtml/Retailer/MassSaveHours.php
3. Seem the mass action doesn't determine the Select All. As far from the code review we just realize it just collect the parameter retailer_ids

Expected result

1. All the Retailer should be updated opening hours without any problem

Actual result

1. [Screenshot, logs] Invalid argument supplied for foreach() on vendor/smile/module-store-locator/Controller/Adminhtml/Retailer/MassSaveHours.php