11868: "Add Products" button has been duplicated after the customer group was changed.

[nmalevanec]

Description

Fix for: "Add Products" button has been duplicated after the customer group was changed

Fixed Issues (if relevant)

1. "Add Products" button has been duplicated after the customer group was changed #11868: "Add Products" button has been duplicated after the customer group was changed

Manual testing scenarios

1. Login to admin panel.
2. Go to: Sales - Orders - Create New Order.
3. Select existing customer or create new.
4. Change customer group.
5. Check, button "Add products" should not duplicated.

Contribution checklist

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)