Show validation errors in GridPro inline editing #3162
Description
Describe your motivation
GridPro currently doesn't have a proper way to show validation errors when inline editing. The docs examples use Notifications for this, but this is 1. clearly inferior to error messages displayed directly adjacent to the field, and 2. requires extra boilerplate code.
Describe the solution you'd like
Not sure what would be best, but UI-wise this is the first thing that comes to mind:
