Update Translator.php

[fakerybakery]

Changes proposed in this pull request:

• Suppress error thrown in PHP 8.2

Reviewers should focus on:

Added @ before preg_match to fix issues with several extensions which pass null to it.

Necessity

• Has the problem that is being solved here been clearly explained?
• If applicable, have various options for solving this problem been considered?
• For core PRs, does this need to be in core, or could it be in an extension?

Confirmed

• Frontend changes: tested on a local Flarum installation.
• Backend changes: tests are green (run composer test).
• Core developer confirmed locally this works as intended.
• Tests have been added, or are not appropriate here.

[luceos]

Hello @fakerybakery,

Thanks for this PR. What error does this PR fix exactly?

[imorland]

Thanks for the PR!

I noticed this recently too. However, I'd rather not simply suppress errors from preg_match. I've created an alternative solution for this in #3801, so I'll close this now.