Fix 2D normals for transposed texture #115

Job	Run time
📊 Static checks / Code style, file formatting, and docs	2m 52s
🍎 macOS / Editor (target=editor, tests=yes)	24m 14s
🍎 macOS / Template (target=template_release)	37m 51s
🤖 Android / Template (target=template_release)	27m 47s
🐧 Linux / Editor w/ Mono (target=editor)	34m 53s
🍏 iOS / Template (target=template_release)	14m 35s
🐧 Linux / Editor with doubles and GCC sanitizers (target=editor, tests=yes, dev_build=yes, scu_build=yes, precision=double, use_asan=yes, use_ubsan=yes, linker=gold)	34m 52s
🌐 Web / Template (target=template_release)	19m 37s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	31m 12s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	27m 23s
🐧 Linux / Template w/ Mono (target=template_release)	23m 22s
🏁 Windows / Editor (target=editor, tests=yes)	41m 17s
🐧 Linux / Minimal template (target=template_release, everything disabled)	14m 17s
🏁 Windows / Template (target=template_release)	29m 17s
🪲 Godot CPP / Build and test Godot CPP	6m 48s
	6h 10m 17s

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