Fix - Handle mandatory template fields in history button escalation

[RomainLvr]

Checklist before requesting a review

Please delete options that are not relevant.

• I have performed a self-review of my code.
• I have added tests (when available) that prove my fix is effective or that my feature works.
• I have updated the CHANGELOG with a short functional description of the fix or new feature.
• This change requires a documentation update.

Description

• It fixes 2.9.17 - Mandatory fields are not filled. Please correct: Technician group #381
• Here is a brief description of what this PR does

History button escalation now works correctly when "Assigned Group" field is mandatory in ticket template.

Problem

When escalating a ticket via the history button (climb_group()) with mandatory template fields (especially "Assigned Group"), the validation failed with error:

"Mandatory fields are not filled. Please correct: Technician group"

Root Cause

The climb_group() method only passed minimal data (_itil_assign) to Ticket->update(), which triggered template validation without the required fields.

Solution

Modified climb_group() to pass comprehensive ticket data including:

• All existing ticket fields (name, content, category, urgency, etc.)
• All existing actors (requesters, observers, and their groups)
• Both _itil_assign and _groups_id_assign formats (required for rules execution and template validation)

Screenshots (if appropriate):

[stonebuzz]

waitting community approval

[stonebuzz]

ping @Rom1-B