ip-restritions: fix issue with loading empty IP rules for non-logged not-anonymous users.

This case won't have any IP rules set. And we accidentally loaded them becuase of no empty user filter
was present. This caused some odd display warnings for users.

rhodecode/lib/auth.py

@@ -1292,10 +1292,15 b' class AuthUser(object):'
                     # we get deleted objects here, we just skip them
                     pass
 
-        user_ips = UserIpMap.query().filter(UserIpMap.user_id == user_id)
-        if cache:
-            user_ips = user_ips.options(
-                FromCache("sql_cache_short", "get_user_ips_%s" % user_id))
+        # NOTE:(marcink) we don't want to load any rules for empty
+        # user_id which is the case of access of non logged users when anonymous
+        # access is disabled
+        user_ips = []
+        if user_id:
+            user_ips = UserIpMap.query().filter(UserIpMap.user_id == user_id)
+            if cache:
+                user_ips = user_ips.options(
+                    FromCache("sql_cache_short", "get_user_ips_%s" % user_id))
 
         for ip in user_ips:
             try: