bug#52332: 29.0.50; Invisible button in the mode line

[Eli Zaretskii]

> From: Protesilaos Stavrou <info@protesilaos.com>
> Date: Mon, 06 Dec 2021 18:40:12 +0200
> 
> With the current master if we launch an emacs -Q session we can use the
> mouse pointer to find an invisible button to the left of the "All" word
> on the mode line.
> 
> Its tooltip shows the same information as the actual "All" button.
> Pressing on this invisible button provides a pop-up menu to toggle line
> and column number display.
> 
> See attached screenshot.

Thanks, should be fixed now.