Validation Clears When Pressing Enter Editable Datatable

[jonatino]

[X] bug report => Search github for a similar issue or PR before submitting

https://www.primefaces.org/primeng/#/datatable/editable

Current behavior
Upon pressing enter in a editable column which is required, the validation is cleared while clicking out of the field continues to show validation error.

Expected behavior
Validation error should still show up if user hits enter.

Minimal reproduction of the problem with instructions

Click editable field and clear it
Press enter

What is the motivation / use case for changing the behavior?
User's might not know that the field is invalid.

Please tell us about your environment:
Windows 10 x64 Chrome/FF/IE

• Angular version: 2.0.X
  Angular 4.1.3

• PrimeNG version: 2.0.X
  PrimeNG 4.1.2

• Browser: [all | Chrome XX | Firefox XX | IE XX | Safari XX | Mobile Chrome XX | Android X.X Web Browser | iOS XX Safari | iOS XX UIWebView | iOS XX WKWebView ]
  ALL

• Language: [all | TypeScript X.X | ES6/7 | ES5]
  Typescript 2.4.2, ES5

[lhysrc]

How to add validation for the editable DataTable? 😂

[thichnguyen]

How to validation for editTable DataTable?
If data is invalid (null,...), press enter key or tabspace. I wan't to focus this field and to show tooltip.
Please support for me!