Fix resources extended from GDExtension classes #180

Job	Run time
📊 Static checks / Code style, file formatting, and docs	23s
🍏 iOS / Template (target=template_release)	1m 35s
🐧 Linux / Editor w/ Mono (target=editor)	4m 33s
🤖 Android / Editor (target=editor)	4m 5s
🐧 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)	12m 57s
🍎 macOS / Editor (target=editor, tests=yes)	3m 25s
🤖 Android / Template arm32 (target=template_release, arch=arm32)	3m 12s
🤖 Android / Template arm64 (target=template_release, arch=arm64)	3m 0s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	5m 25s
🌐 Web / Template w/ threads (target=template_release, threads=yes)	4m 3s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	7m 34s
🌐 Web / Template w/o threads (target=template_release, threads=no)	4m 0s
🐧 Linux / Template w/ Mono (target=template_release)	1m 59s
🍎 macOS / Template (target=template_release)	2m 52s
🏁 Windows / Editor (target=editor, tests=yes)	8m 54s
🐧 Linux / Minimal template (target=template_release, everything disabled)	1m 54s
🏁 Windows / Template (target=template_release)	7m 5s
🪲 Godot CPP / Build and test Godot CPP	7m 38s
	1h 24m 34s

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