Validation inside a WDialog does not format the line edit with has-error
When using a Validator on a line edit widget inside a WDialog the border color does not turn red in case of an illegal input. This was tested with WT 3.3.4 and the Bootstrap 3 theme.
The tooltip 'invalid input' is displayed correctly, see the screenshot.
This issue can be seen in the WDialog jump button example inside the widget gallery: