Use translated 'about' section title in sidebar

[fragadass]

Describe your problem

The 'about' section title in the sidebar is not translated.

Steps to reproduce the problem

Use another language and a theme with sidebar.

Bludit version

3.15

PHP version

8.2

Proposition

File : bl-plugins/about/plugin.php
Line : 40
Todo : replace $this->getValue('label') by $L->get('About') ; add global $L; at the beginning of the function.

Sorry if I don't do the change by myself in a request, but I'm not so familiar with Github.