OCCT speedups and fixes #5137

Job	Run time
Update LFS data cache	8s
external-build	1m 31s
android (armeabi-v7a)	1m 33s
webassembly	1m 28s
android (arm64-v8a)	1m 44s
android (x86)	1m 42s
android (x86_64)	1m 33s
windows (commit)	6m 38s
macos_arm (commit, no-bundle)	3m 35s
windows (v9.3.0)	6m 38s
macos_arm (v9.3.0, no-bundle)	3m 32s
windows (v9.2.6)	6m 29s
macos (commit, no-bundle)	7m 34s
macos_arm (v9.2.6, no-bundle)	3m 14s
linux (commit, standard)	4m 54s
macos (v9.3.0, no-bundle)	8m 6s
macos_arm (commit, bundle)	3m 58s
linux (v9.3.0, standard)	4m 57s
macos (v9.2.6, no-bundle)	8m 11s
linux (v9.2.6, standard)	4m 28s
macos (commit, bundle)	11m 54s
linux (v9.1.0, standard)	4m 6s
coverage	5m 1s
linux (v9.0.0, standard)	3m 2s
linux (headless, commit, raytracing, optional-deps, no-exclude-deprecated, egl)	4m 41s
python-packaging (ubuntu)	2m 49s
linux (exclude_deprecated, commit, raytracing, optional-deps, exclude-deprecated, no-egl)	4m 47s
python-packaging (windows)	4m 11s
linux (no_optional_deps, commit, no-raytracing, no-optional-deps, no-exclude-deprecated, no-egl)	3m 4s
sanitizer (address)	6m 19s
python-packaging (macos)	4m 29s
sanitizer (thread)	8m 24s
sanitizer (undefined)	4m 39s
static-analysis	3m 13s
	2h 32m 32s

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