backport: merge bitcoin#18642, #25102, #25100, #25157, #25101, #25245, #25456, #24697, #24662, #25499 (clock backports)

backport: merge bitcoin#18642, #25102, #25100, #25157, #25101, #25245, #25456, #24697, #24662, #25499 (clock backports) #7121