Bug description:
When a service configured as a "Next service" is deleted, it is still displayed as an active link in the parent service's flow. Selecting it redirects to the deleted service's page, where the service details cannot be loaded because the service no longer exists.
Screenshots:
the "random_K" named service is the deleted one

after clicking on the "random_K" named service

Bug description:
When a service configured as a "Next service" is deleted, it is still displayed as an active link in the parent service's flow. Selecting it redirects to the deleted service's page, where the service details cannot be loaded because the service no longer exists.
Screenshots:


the "random_K" named service is the deleted one
after clicking on the "random_K" named service