addListItem not working

[deligant]

Describe the bug and add attachments

Tried the sample provided (Sample_14_ListItem.php) to add a simple list and nothing is output.
The library has been added with composer.

Expected behavior

The list should be output

Steps to reproduce

run the sample 14 provided in this own project

PHPWord version(s) where the bug happened

1.4

PHP version(s) where the bug happened

8.1.2

Priority

• I want to crowdfund the bug fix (with @algora-io) and fund a community developer.
• I want to pay the bug fix and fund a maintainer for that. (Contact @Progi1984)