gnucash stable: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/e753555c (commit)
	 via  https://github.com/Gnucash/gnucash/commit/4c09a0fe (commit)
	from  https://github.com/Gnucash/gnucash/commit/ebcd670a (commit)



commit e753555c2f53cad898a9f44e46be5cff47ab906e
Merge: ebcd670ab5 4c09a0feee
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Sep 20 18:17:11 2025 -0700

    Merge John Ralls's 'bug799249' into stable

commit 4c09a0feee698855f095f9729a4856033cbd0522
Author: John Ralls <jralls at ceridwen.us>
Date:   Tue Jul 22 10:53:20 2025 -0700

    Bug 799249 - Crash while switch to recently opened file
    
    Null the model's root account so that it can't be traversed after
    it has been disposed.



Summary of changes:
 gnucash/gnome-utils/gnc-tree-model-account.c   | 17 ++++++++++-------
 gnucash/gnome-utils/gnc-tree-view-account.c    | 23 ++++++++++++++++++++---
 gnucash/gnome/gnc-plugin-page-account-tree.cpp |  8 +++++---
 3 files changed, 35 insertions(+), 13 deletions(-)