[Web] Fix building for web on Windows #28177

Job	Run time
📊 Static checks / Code style, file formatting, and docs	3m 42s
🍏 iOS / Template (target=template_release)	15m 4s
🐧 Linux / Editor w/ Mono (target=editor)	38m 30s
🐧 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)	40m 55s
🍎 macOS / Editor (target=editor, tests=yes)	21m 49s
🌐 Web / Template w/ threads (target=template_release, threads=yes)	22m 19s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	34m 21s
🍎 macOS / Template (target=template_release)	42m 49s
🌐 Web / Template w/o threads (target=template_release, threads=no)	22m 8s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	29m 43s
🐧 Linux / Template w/ Mono (target=template_release)	26m 52s
🐧 Linux / Minimal template (target=template_release, everything disabled)	13m 51s
🤖 Android / Template (target=template_release)	29m 59s
🏁 Windows / Editor (target=editor, tests=yes)	44m 46s
🏁 Windows / Template (target=template_release)	32m 39s
🪲 Godot CPP / Build and test Godot CPP	7m 7s
	7h 6m 34s

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