erp5_oauth_[facebook|google]_login: Show portal type on View Form

  This prevents be confuse while editing the Connector.
10 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

02:18:38

failed ERP5.PerformanceTest-Master

00:42:03

failed ERP5.UnitTest-Master

03:57:18

passed SlapOS.Eggs.UnitTest-Master.Python2

00:14:43

passed SlapOS.Eggs.UnitTest-Master.Python3

00:29:52

failed Wendelin.UnitTest-Master

01:11:43

failed ERP5.PerformanceTest-Master

00:36:08

passed SlapOS.Eggs.UnitTest-Master.Python2

00:21:41

failed SlapOS.Eggs.UnitTest-Master.Python2

00:09:49

passed SlapOS.Eggs.UnitTest-Master.Python3

01:24:31