Area lights bug on Terra

[cryham]

System Information

• Ogre Version: 3.0.0, at least
• Operating System / Platform: Debian 11,12
• RenderSystem: OpenGL3+
• GPU: AMD 6600 XT

Detailled description

Screens and info:
https://forums.ogre3d.org/viewtopic.php?p=555928#p555928
cpp with issue replicated in Tutorial_TerrainGameState.cpp
https://forums.ogre3d.org/viewtopic.php?p=555930#p555930

IDK how many times it was forgotten and like I wrote it wasn't a big priority for me, but I thought it'd be fixed the same year that I wrote about it 😏🫤 And no, I'm likely not skilled enough to go fix it myself.

BTW spelling bug in issue template: Detailled should be Detailed
Yeah it's the details for me.