backport: merge bitcoin#24252, #24301, #25808, #25873, #26557, #25465, #26952, #25898:, #30217, #24266, partial bitcoin#28622 (replace boost::filesystem with std::filesystem: part 2)

backport: merge bitcoin#24252, #24301, #25808, #25873, #26557, #25465, #26952, #25898:, #30217, #24266, partial bitcoin#28622 (replace boost::filesystem with std::filesystem: part 2) #7549