N°8698 - Fix webhook with prepare_payload_callback

[peckpeck]

Base information

Question	Answer
Related to a SourceForge thead / Another PR / Combodo ticket?	-
Type of change?	Bug fix

Symptom (bug)

Since we upgraded to itop 3.2.2 our webhooks failed to run.
Our webhook use a payload call back we wrote and our webhook service told told us that there was no payload.

Reproduction procedure (bug)

On iTop 3.2.2
Create a webhook and use a callback to create the payload instead of a JSON.
The payload is empty on calls.

Cause (bug)

See 1 line fix

Proposed solution (bug and enhancement)

See 1 line fix

Checklist before requesting a review

• I have performed a self-review of my code
• I have tested all changes I made on an iTop instance
• Would a unit test be relevant and have I added it?
• Is the PR clear and detailed enough so anyone can understand without digging in the code?

[jf-cbd]

Hello @peckpeck, thanks for the fix !

[jf-cbd]

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