New functions window-state-buffers and tab-bar-get-buffer-tab (bug#38354)

* lisp/window.el (window-state-buffers): New function.
* lisp/tab-bar.el (tab-bar-get-buffer-tab): New function.

* lisp/emacs-lisp/seq.el (seq-some): Add autoload cookie.

* lisp/desktop.el (desktop-buffers-not-to-save-function): New variable.
(desktop-save-buffer-p): Use it.
1 job for master in 58 minutes and 44 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Test
failed #4410
test-all

00:58:44

 
Name Stage Failure
failed
test-all Test
Makefile:319: recipe for target 'check-doit' failed
make[2]: Leaving directory '/builds/emacs/emacs/test'
make[2]: *** [check-doit] Error 1
make[1]: *** [check-expensive] Error 2
Makefile:294: recipe for target 'check-expensive' failed
make[1]: Leaving directory '/builds/emacs/emacs/test'
Makefile:959: recipe for target 'check-expensive' failed
make: *** [check-expensive] Error 2
ERROR: Job failed: exit code 1