erp5_credential: search login with exact match

bt5/erp5_credential/SkinTemplateItem/portal_skins/erp5_credential/ERP5Site_getRelatedCredentialQuestionDialog.xml

@@ -60,7 +60,7 @@ if choice == "password":\n
   request  = context.REQUEST\n
   request.set(\'reference\', reference)\n
   portal_preferences = context.portal_preferences\n
-  result = person_module.searchFolder(reference=reference)\n
+  result = person_module.searchFolder(reference={\'query\': reference, \'key\': \'ExactMatch\'})\n
   if len(result) != 1:\n
     portal_status_message = context.Base_translateString("Can\'t find corresponding person, it\'s not possible to update your credentials.")\n
     return context.Base_redirect(\'login_form\', keep_items = dict(portal_status_message=portal_status_message ))\n

bt5/erp5_credential/bt/revision

-430
+431
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