Mi0ps Customers v1.3.0

Changes:
- Completely improved light-mode visual treatment to better match the Mi0ps dashboard.
- Opening a customer now enters focused Profile Mode and hides the customer directory/search.
- Closing the profile restores the customer directory.
- Registered customer details can now be edited directly inside Mi0ps.
- Billing/contact details are edited inside Mi0ps; no WordPress/WooCommerce user-edit link.
- Shipping editing remains inside Mi0ps.
- Retains all search, guest customer, KPI, store credit, recent orders, map and Order Locator functionality.
- Keeps v1.2.1 WooCommerce refund-object compatibility fixes.
