fixup! fix middle name handling in Person.

Person.getTitle used to return first/last name properties when defined, as the title property was always dropped.

This fixes nexedi/erp5@2155dbf5

product/ERP5/Document/Person.py

@@ -87,7 +87,6 @@ class Person(Node, LoginAccountProviderMixin, EncryptedPasswordMixin):
         Returns the title if it exists or a combination of
         first name, middle name and last name
       """
-      if not self.title:
       title = ' '.join([x for x in (self.getFirstName(),
                                     self.getMiddleName(),
                                     self.getLastName()) if x])
@@ -102,7 +101,6 @@ class Person(Node, LoginAccountProviderMixin, EncryptedPasswordMixin):
         Returns the title if it exists or a combination of
         first name, middle name and last name
       """
-      if not self.title:
       title = ' '.join([x for x in (self.getTranslatedFirstName(**kw),
                                     self.getTranslatedMiddleName(**kw),
                                     self.getTranslatedLastName(**kw)) if x])

product/ERP5/tests/testPerson.py

@@ -174,9 +174,9 @@ class TestPerson(ERP5TypeTestCase):
     p.edit( first_name='first',
             last_name='last',
             title='title' )
-    self.assertEqual('title', p.getTitle())
+    self.assertEqual('first last', p.getTitle())
     p.edit(middle_name='middle')
-    self.assertEqual('title', p.getTitle())
+    self.assertEqual('first middle last', p.getTitle())
 
   def testGetTitleOrId(self):
     p = self._makeOne(id='person')