Fix logic of running consistency checks

trans/models/unit.py

@@ -874,7 +874,7 @@ class Unit(models.Model):
         checks_to_run = CHECKS
         cleanup_checks = True
 
-        if (same_state or not is_new) and (self.fuzzy or not self.translated):
+        if (same_state or is_new) and (self.fuzzy or not self.translated):
             # Check whether there is any message with same source
             project = self.translation.subproject.project
             same_source = Unit.objects.filter(