gnucash stable: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/16c9957c (commit)
	 via  https://github.com/Gnucash/gnucash/commit/17ebb8a1 (commit)
	from  https://github.com/Gnucash/gnucash/commit/991f3d3a (commit)



commit 16c9957cac7b2ca2fe4b2b4a25c92878fcd4067b
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon Sep 11 17:40:48 2023 -0700

    Bug 798925 - Python bindings: "invalid unclassed pointer...
    
    in cast to 'QofInstance'".
    
    The list ended up with two entries of payment_lot resulting in a
    dangling reference when one of them was freed.

commit 17ebb8a1d2563c93fd585debcdd5360f0d311784
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon Sep 11 17:39:02 2023 -0700

    [simple-business-create.py] Overwrite an existing file instead of crashing.



Summary of changes:
 .../example_scripts/simple_business_create.py      |  2 +-
 libgnucash/engine/gncOwner.c                       | 22 ++++++++++++----------
 2 files changed, 13 insertions(+), 11 deletions(-)