inferred incident is not contained into IR case after playbook creation

[marckto-filigran]

Description

inferred incident is not contained into IR case after playbook creation

Environment

https://demo.octi.filigran.io/

Reproducible Steps

Steps to create the smallest reproducible scenario:

1. Create a playbook to wrap an incident into an IR case
2. Enable rule "Infer an incident when a sighting is created for a valid indicator."
3. trigger the rule to create an incident

Expected Output

The inferred incident is contained into the IR case

Actual Output

IR case is empty