Fix language debug on multilingual sites

[SharkyKZ]

Summary of Changes

Pass language debug setting to new language instance.

Testing Instructions

Set up a multilingual site.
Enable Debug Language option in Global Configuration.
View frontend in any language other than default.

Expected result

Language debug working, i.e. translatable strings are wrapped with **.

Actual result

Language debug not working.

Documentation Changes Required

No.

[infograf768]

I have tested this item ✅ successfully on df6331d

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/27209.}

[alikon]

I have tested this item ✅ successfully on d2a944a

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/27209.}

[alikon]

RTC

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/27209.}

[infograf768]

Restarting drone.

[HLeithner]

Thanks