Add support for Adaptive Cards in webhook integration

[larhip]

Base information

Question	Answer
Related to a SourceForge thead / Another PR / Combodo ticket?	N°7664
Type of change?	Enhancement

Symptom (bug) / Objective (enhancement)

Introduced a new field "json_format" to handle different message formats, extending the functionality to support Adaptive Cards alongside existing Message Cards. Modified methods to prepare and format payloads and actions based on selected JSON format for Microsoft Teams.

See also: https://learn.microsoft.com/en-us/microsoftteams/platform/webhooks-and-connectors/how-to/connectors-using?tabs=cURL%2Ctext1#send-adaptive-cards-using-an-incoming-webhook

Proposed solution (bug and enhancement)

Introduced a new field "json_format" to handle different message formats, extending the functionality to support Adaptive Cards alongside existing Message Cards. Modified methods to prepare and format payloads and actions based on selected JSON format for Microsoft Teams.

See also: https://learn.microsoft.com/en-us/microsoftteams/platform/webhooks-and-connectors/how-to/connectors-using?tabs=cURL%2Ctext1#send-adaptive-cards-using-an-incoming-webhook

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 digging in the code?