Bug: Unexpected movement of cursor when commenting code blocks

[yoctocell]

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When I am inside a code block like this:

#+begin_src emacs-lisp
(use-package org
  :defer
  :config
  (setq blahblah t)) ; cursor on this line
#+end_src

and I hit "C-x C-;" to comment the line, the cursor automatically jumps
to the second line of the code block after the comment is made.  I would
expect the cursor to move forward one line like it usually does and this
only happens in Org-mode, not when I edit the code block in a separate
buffer with "C-c C-'".

#+begin_src emacs-lisp
(use-package org
  :defer ; cursor jumps to this line
  :config
  ;; (setq blahblah t))
#+end_src

This happens no matter how big the code block is, and it always jumps to
the second line of the code block.  I was able to reproduce this with
the "minimal-org.el" file.


Emacs  : GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.23, 
cairo version 1.16.0)
Package: Org mode version 9.4.4 (9.4.4-3-gbd1c31-elpaplus @ 
/nix/store/ybfrs7h4byc03f963flgc845n3m1dkhi-emacs-packages-deps/share/emacs/site-lisp/elpa/org-plus-contrib-20201228/)