Add offer age in user offers #5781

Job	Run time
Build apps module on ubuntu-latest / Build apps module on ubuntu-latest	2m 31s
Build Bisq on macOS-latest / Build Bisq on macOS-latest	1m 28s
Build apps module on windows-latest / Build apps module on windows-latest	5m 4s
Build apps module on macOS-latest / Build apps module on macOS-latest	3m 31s
Build Bisq on ubuntu-latest / Build Bisq on ubuntu-latest	1m 56s
Build Bisq on windows-latest / Build Bisq on windows-latest	4m 0s
Build network module on macOS-latest / Build network module on macOS-latest	1m 36s
Build network module on ubuntu-latest / Build network module on ubuntu-latest	1m 7s
Build network module on windows-latest / Build network module on windows-latest	5m 6s
Build tor module on macOS-latest / Build tor module on macOS-latest	1m 35s
Build tor module on ubuntu-latest / Build tor module on ubuntu-latest	1m 23s
Build tor module on windows-latest / Build tor module on windows-latest	2m 40s
Build wallet module on macOS-latest / Build wallet module on macOS-latest	2m 11s
Build wallet module on ubuntu-latest / Build wallet module on ubuntu-latest	1m 57s
Build wallet module on windows-latest / Build wallet module on windows-latest	4m 2s
	40m 7s

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