gnucash stable: [Transaction.cpp] use qof_instance kvp API for GDate

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/f3f917df (commit)
	from  https://github.com/Gnucash/gnucash/commit/fac02813 (commit)



commit f3f917df38799f081a4a522e3b83c8ba1a73af32
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Tue Jun 24 16:32:21 2025 +0800

    [Transaction.cpp] use qof_instance kvp API for GDate



Summary of changes:
 libgnucash/engine/Transaction.cpp | 14 ++++----------
 libgnucash/engine/qofinstance.cpp |  2 ++
 2 files changed, 6 insertions(+), 10 deletions(-)