bug#63676: cancelling editable dired causes UI problems with dired

[Eli Zaretskii]

> From: Peter Mao <peter.mao@gmail.com>
> Date: Tue, 23 May 2023 21:51:01 -0700
> 
> I'm testing: GNU Emacs 29.0.91 (build 1, x86_64-pc-linux-gnu, GTK+ Version 
> 3.24.33, cairo
>  version 1.16.0) of 2023-05-15
> 
> Dired behavior has multiple problems if subdirectories are present in the 
> buffer and writable mode is
> entered and then cancelled
> 
> To reproduce the problem
> 1. Open a directory in dired
> 2. Insert a subdirectory with "i"
> 3. Enter writable mode "C-x C-q"
> 4. Cancel writable mode "C-c ESC"
> 
> Now the subdirectory is in the buffer, but it can't be folded or removed with 
> "C-u k" and  the top dir files
> can no longer be accessed.

I seem to be unable to reproduce this.  But your recipe lack some
details, so I'm unsure.  Would you please describe exactly what to
type after "C-c ESC" to demonstrate that some commands don't work, and
what did you expect those command to do?

Thanks.