erp5_certificate_authority: boostrap if user certificate isnt updated

bt5/erp5_certificate_authority/DocumentTemplateItem/portal_components/document.erp5.CaucaseConnector.py

@@ -67,6 +67,10 @@ class CaucaseConnector(XMLObject):
     return CaucaseClient(ca_url=ca_url, **kw)
 
   def _getAuthenticatedConnection(self):
+    if self.getUserCertificate() is None:
+      if self.hasUserCertificateRequestReference():
+        self._bootstrapCaucaseConfiguration()
+
     if self.getUserCertificate() is None:
       raise ValueError("You need to set the User Key and Certificate!")