Possible to infinitely stack avatar viewings.

[lordpidey]

Describe the bug

On a multi-monitor setup in windows, it is possible to repeatedly stack viewing the same avatar zoomed in.

To Reproduce

1. Have a multiple monitor setup.
2. Enter a room with a custom avatar.
3. Right click room. Select room Settings.
4. Move the newly appeared window to secondary screen.
5. Click avatar on room settings. Observe that primary screen darkens where avatar is not visible.
6. Spam click avatar on room settings. Observe that primary screen darkens further with each click.
7. Try to exit the zoomed in avatar. Notice that you need to click multiple times, as the same avatar opened once per spam click.

What happened?

Multiple instances of the zoomed in avatar examination screen showed up, layered atop one another, making it tedious to re-access the desktop.

Expected behavior

Zoomed in avatar should not open if an identical one for the same room is already open.

Screenshots

No response

Version

0.12.1-dc910109

Operating system

Windows

Installation method

Windows download

Qt version

No response

C++ compiler

No response

Desktop Environment

Windows 10

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Relevant log output

No log lines generated relevant.

Backtrace