erp5_web_renderjs_ui: Declare form as modified when there is a invalid field

Status Job ID Name Coverage
  External
running ERP5.CodingStyleTest-Master

31475:51:31

passed ERP5.CodingStyleTest-TestRunner1

00:23:46

running ERP5.PerformanceTest-Master

31475:51:26

failed ERP5.PerformanceTest-TestRunner1

00:24:08

running ERP5.UnitTest-Master

31475:51:03

running ERP5.UnitTest-Master.Medusa

31475:50:55

failed ERP5.UnitTest-TestRunner1

01:33:02

running SlapOS.Eggs.UnitTest-Master.Python2

31475:51:25