gnucash stable: Multiple changes pushed

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/d8a0e294 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/bea6b52d (commit)
	 via  https://github.com/Gnucash/gnucash/commit/f10d7a7c (commit)
	 via  https://github.com/Gnucash/gnucash/commit/d5b5d016 (commit)
	from  https://github.com/Gnucash/gnucash/commit/f6f305fd (commit)



commit d8a0e294dc8bf113befaa099033eebca6a538675
Merge: f6f305fdee bea6b52d3f
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Tue Aug 15 13:09:05 2023 +0800

    Merge branch 'iter-to-stl' into stable #1745

commit bea6b52d3f981f6d04a26f3a7a66249d82a0841c
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Mon Aug 14 13:27:37 2023 +0800

    [assistant-csv-trans-import.cpp] uses GtkTreeModelContainer

commit f10d7a7c8eb7f3417c587ce687b383f7aafd6757
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Mon Aug 14 12:47:55 2023 +0800

    [assistant-csv-price-import.cpp] uses GtkTreeModelContainer

commit d5b5d01698e9e863e624219828db5daa02899c00
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Mon Aug 14 09:31:07 2023 +0800

    [gnc-tree-model-container.hpp] GtkTreeModelContainer



Summary of changes:
 gnucash/gnome-utils/CMakeLists.txt                 |   1 +
 gnucash/gnome-utils/gnc-tree-model-container.hpp   | 145 +++++++++++++++++++++
 .../csv-imp/assistant-csv-price-import.cpp         |  58 +++------
 .../csv-imp/assistant-csv-trans-import.cpp         |  93 ++++---------
 4 files changed, 192 insertions(+), 105 deletions(-)
 create mode 100644 gnucash/gnome-utils/gnc-tree-model-container.hpp