threadsafe: Load preferences threadsafe #746

Job	Run time
Build on ubuntu-20.04 g++-7	1m 29s
Build static on ubuntu-latest	1m 27s
Build on ubuntu-20.04 g++-8	46s
build-windows	1m 51s
Build on ubuntu-latest g++-9	1m 52s
Build on ubuntu-latest g++-10	1m 28s
build-macos	2m 5s
Build on ubuntu-20.04 clang-7	49s
Build on ubuntu-20.04 clang-8	57s
Build on ubuntu-20.04 clang-9	1m 49s
Build on ubuntu20.04 aarch64 g++-8	10m 30s
Build on ubuntu20.04 aarch64 g++-9	9m 5s
Build on ubuntu-20.04 clang-10	1m 10s
Build on ubuntu20.04 aarch64 g++-10	13m 3s
Build on ubuntu-20.04 clang-11	55s
Build on ubuntu22.04 aarch64 g++-12	9m 16s
Build on ubuntu-latest clang-12	2m 23s
Build on ubuntu20.04 aarch64 clang-9	13m 41s
Build on ubuntu-latest clang-13	58s
Build on ubuntu20.04 aarch64 clang-10	10m 39s
Build on ubuntu-latest clang-14	1m 30s
Build on ubuntu22.04 aarch64 clang-14	14m 22s
Build on ubuntu22.04 armv7 g++-12	7m 51s
Build on ubuntu22.04 ppc64le g++-12	10m 6s
Build on ubuntu22.04 s390x g++-12	9m 40s
Build on ubuntu22.04 riscv64 g++-12	6m 4s
	2h 15m 46s

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