Scrolling through windows of an application in the launcher would hide always on top applications

[manfreed]

To reproduce a problem:

 - Open a more windows of an application (for example a browser).
 - Make one of them "always on top" using the right click menu of the window's titlebar.
 - Scroll through the windows using the mouse wheel over the opened application's icon in the launcher.

Result:

When scrolling through the windows of an app this way the "next" window would show up, and also the "previous" window would disappear. This happens with the window that was set to be always on top.

Expected result:

The "always on top" application would stay always on top.

Notes:

I can understand the logic behind the current behavior, but it is is counterproductive. For example: There is an online todo list, which I prefer to use. I usually move this todo webpage in a separate small window, make that window always on top, and move it to the bottom right corner of the screen. I would expect this window would stay always in front of other windows, however scrolling through the browser windows would not only move this window in the background, it hides it completely.

In my opinion scrolling through windows with the mouse wheel should _only_ bring forward the next window, it should not hide other windows (regardless if they are "always on top" or not)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.