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

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

31721:50:08

passed ERP5.CodingStyleTest-TestRunner1

00:23:46

running ERP5.PerformanceTest-Master

31721:50:04

failed ERP5.PerformanceTest-TestRunner1

00:24:08

running ERP5.UnitTest-Master

31721:49:40

running ERP5.UnitTest-Master.Medusa

31721:49:32

failed ERP5.UnitTest-TestRunner1

01:33:02

running SlapOS.Eggs.UnitTest-Master.Python2

31721:50:02