[Customers] - Add validation/prompt message on creating invoice without starting shift

Issue No: MBIL-224
Created 2/13/2019 12:42:40 AM
Type Feature
Priority Minor
Status Closed
Resolution Fixed
Fixed Version 19.1
Description *Steps:*   Customers > Select Customer > Click Create Invoice   There should be a validation that Invoice should not be created since shift is not started yet.   _To Do:_   Add Prompt Message "Are you sure you want to continue?" will display after click create invoice   If yes will prompt message that shift has not yet started   If no will not continue to pre-load invoice