[BUG] Agenda not sorting by priority THEN todo state (todo state ignored) [9.6.1 (9.6.1-??-fe92a3c @ /Users/polofsson/.emacs.d/.local/straight/build-28.2/org/)]

[Jonas Olofsson <jonas.olofsson@apple.com>]

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I am trying to sort my agenda by a number of variables, but it seems
that todo-state-down is not applied if added after priority-down.
Instead it seems as if Priority first is applied, then the date the
item is scheduled.

Repro:
1. Set 
   org-agenda-sorting-strategy
   '((agenda priority-down todo-state-down)
     (todo priority-down todo-state-down effort-up category-keep scheduled-up)
     (tags priority-down todo-state-down effort-up category-keep)
     (search category-keep))
2. Set 
   org-todo-keywords '(
                       (sequence "TODO(t!)" "NEXT(n!)" "WAIT(w!)" "|" "DONE(d!)" "CANC(c!)" "DUPE(D!)")
                       )
3. Have three todos scheduled:

* TODO [#C] Test
SCHEDULED: <2023-03-16 Thu>
* NEXT [#C] Test
SCHEDULED: <2023-03-15 Wed>
* WAIT [#C] Test 
SCHEDULED: <2023-03-17 Fri>

4. Go to agenda.

I expect to see items in the following order, since they are the same priority.
WAIT C Test
NEXT C Test
TODO C Test

But I see:
NEXT C Test
TODO C Test
WAIT C Test

It seems the sorting is based on the scheduled time - NOT the todo state
(since they are the same priority). 

I've checked various things and priority, habit, all other
org-agenda-sorting-strategy variables sort ok if indepdendently applied.
I am only able to reproduce this issuey when I have todo-state-down
AFTER priority-down in org-agenda-sorting-strategies.

Any help appreciated.

Regards,
Jonas


Emacs  : GNU Emacs 28.2 (build 1, aarch64-apple-darwin21.6.0, Carbon Version 165 AppKit 2113.6)
of 2022-09-15
Package: Org mode version 9.6.1 (9.6.1-??-fe92a3c @ /Users/polofsson/.emacs.d/.local/straight/build-28.2/org/)