Only create new virtual interface if it does not exist
Reason for Closing:
Reason for Blocked:
Support Suite Ticket:
When editing a VLAN (simple adding a description) it makes another interface with the same name.
See steps taken to reproduce (start from bottom):
Expected behaviour: keep 1 interface at one time that is linked to the VLAN.
fix(gui): only create virtual interface if it doesnt exist yet Ticket: #26557