Labels not updated during lab creation after label creation

[giper45]

Describe the bug
When the user creates a new label, dsp does not udpate labels in edit info.
To Reproduce
Steps to reproduce the behavior:

1. Create a new lab
2. Create a new label
3. Click on edit info
4. New label is not shown

Expected behavior
DSP should see new label

A good bug to implement publish subscribe mechanism :-)