Merge opengl: rewrite engine with OpenGL renderer #325

Job	Run time
Format Check / clang-format check	1m 8s
Linux Builds / build (ubuntu-latest, Debug, gcc)	4m 5s
Linux Builds / build (ubuntu-latest, Debug, clang)	3m 17s
Windows Builds / build (windows-latest, Debug, vs2026)	12m 36s
Linux Builds / build (ubuntu-latest, Release, clang)	2m 38s
Windows Builds / build (windows-latest, Debug, gcc)	18m 11s
Windows Builds / build (windows-latest, Release, clang)	12m 10s
Windows Builds / build (windows-latest, Release, vs2026)	17m 13s
Linux Builds / build (ubuntu-latest, Release, gcc)	2m 40s
Windows Builds / build (windows-latest, Release, gcc)	17m 23s
Windows Builds / build (windows-latest, Debug, clang)	14m 33s
Production Check	3s
	1h 45m 57s

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