title	issue
Add change customer status action	NEXT-18193

Core

Added Shopware/Core/Content/Flow/Dispatching/Action/ChangeCustomerStatusAction class to handle change customer status flow action.

Administration

Added component sw-flow-change-customer-status-modal to show a modal that allows changing customer group for customer.
Added getCustomerStatusDescription function at module/sw-flow/component/sw-flow-sequence-action/index.js to get customer status description.
Added CHANGE_CUSTOMER_STATUS into action list at module/sw-flow/constant/flow.constant.js.
Added change customer status action icon and title at module/sw-flow/service/flow-builder.service.js.