Allow to cancel orders like registerCancellation

[luigifab]

Description

This little change allow user to cancel order with a comment.

Manual testing scenarios

For example:

$order->registerCancellation('Message')->save();
$order->cancel('Message')->save();

Contribution checklist

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All automated tests passed successfully (all builds are green)
• Add yourself to contributors list

[github-actions]

Unit Test Results

1 files  ±0  1 suites  ±0   0s ⏱️ ±0s
0 tests ±0  0 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
7 runs  +1  5 ✔️ +1  2 💤 ±0  0 ❌ ±0 

Results for commit fcfe0bb. ± Comparison against base commit 4885b20.