Some avatars are huge in libnotify notifications

[sbraz]

• I have searched open and closed issues for duplicates

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Bug description

Some of my contacts have high-resolution avatars and signal uses a huge portion of my screen to display them with libnotify notifications. Users without avatars seem fine (a little large but still reasonable). I think it may be related to my unusual WM (awesome WM).

Steps to reproduce

1. Use awesome WM (I haven't tested the app with any other WM yet)
2. Get a notification while the signal-desktop window is not focused

Expected result:
Sender avatar should be of a reasonable size.

Actual result:
Sender avatar is huge.

Screenshots

High-resolution avatar:

No avatar:

Platform info

Signal version:
1.8.0

Operating System:
Archlinux - awesome WM

Linked device version:
4.8.13

Link to debug log

The debug log didn't seem relevant. Please let me know if one is needed.

[MarcSN311]

Same here with Signal 1.12.0 on Arch+awesome WM
I have a 12.5" screen and long messeges take up the entire upper half of the screen.

[nehresma]

Exact same thing here. Ubuntu 16.04 (laptop and desktop) and Awesome WM.

[MarcSN311]

This might actually be a libnotify issue. Rambox has the same problem.

[nehresma]

Just dropping in to say I'm on 18.04 now (and Awesome WM) and it's still happening.