fix(addressbook(web)): update card on save when certificate is removed

UI/Contacts/UIxContactActions.m

@@ -186,7 +186,11 @@
 
 - (WOResponse *) removeCertificateAction
 {
-  [[[self clientObject] vCard] setCertificate: nil];
+  SOGoContactGCSEntry *contact;
+
+  contact = [self clientObject];
+  [[contact vCard] setCertificate: nil];
+  [contact save];
 
   return [self responseWith204];
 }

UI/Contacts/UIxContactEditor.m

@@ -240,6 +240,7 @@ static Class SOGoContactGCSEntryK = Nil;
   NSCalendarDate *date;
   CardElement *element;
   id o;
+  BOOL hasCertificate;
 
   unsigned int i, year, month, day;
 
@@ -418,6 +419,10 @@ static Class SOGoContactGCSEntryK = Nil;
         }
     }
 
+  hasCertificate = [[attributes objectForKey: @"hasCertificate"] boolValue];
+  if (!hasCertificate)
+    [card setCertificate: nil];
+
   [card cleanupEmptyChildren];
 }