mdssvc: add support for parsing date ranges

Ralph Böhmerequested to merge
samba-team/devel/samba:slow/mdssvc-date-range into master

Add support for parsing date ranges:

Example:

InRange(kMDItemContentCreationDate,$time.iso(2024-12-31T23:00:00Z),$time.iso(2025-12-31T23:00:00Z))

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15930

Edited by VL

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