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

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

32256:07:22

passed ERP5.CodingStyleTest-TestRunner1

00:23:46

running ERP5.PerformanceTest-Master

32256:07:18

failed ERP5.PerformanceTest-TestRunner1

00:24:08

running ERP5.UnitTest-Master

32256:06:55

running ERP5.UnitTest-Master.Medusa

32256:06:47

failed ERP5.UnitTest-TestRunner1

01:33:02

running SlapOS.Eggs.UnitTest-Master.Python2

32256:07:16