erp5_web_service: Migrate DocumentConnection to components

See merge request !1353
9 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

00:52:49

passed ERP5.PerformanceTest-Master

00:26:54

failed ERP5.UnitTest-Master

02:10:36

failed ERP5.UnitTest-Master.Medusa

01:49:04

passed SlapOS.Eggs.UnitTest-Master.Python2

00:34:49

passed SlapOS.Eggs.UnitTest-Master.Python3

00:27:22

failed ERP5.UnitTest-Master

01:38:08

passed SlapOS.Eggs.UnitTest-Master.Python2

00:13:14

passed SlapOS.Eggs.UnitTest-Master.Python3

00:08:32