The header bar player menu shifts in Wrong direction

[batunii]

Prerequisites

• [x] I have searched the Issues list for open and closed issues and believe this is a unique, currently unreported bug.

Describe the bug

The titlebar of the app, which shows player menu keeps shifting in the wrong direction. Rather than moving forward, it moves backwards and then forward.

To Reproduce

Steps to reproduce the behavior:

1. Launch the app
2. start any podcast
3. notice the player menu on head bar

Expected behavior

The player menu in the header bar should move forward smoothly.

Screenshots or screen recordings

https://user-images.githubusercontent.com/46852704/103986736-45f9eb80-51b1-11eb-904e-4a83d2837b17.mp4

Platform Information

Please share as many of the following details as possible:

• Linux distrubution: Fedora
• OS version: 33
• Desktop environment: Gnome

Please check the applicable option below:

• [ ] I'm using the latest version from git that I've manually compiled
• [x] I'm using the latest version of the Flatpak, downloaded from Flathub.org
• [ ] I'm using the latest version available from AppCenter
• [ ] I'm using a different version (please note here) :

Additional context

The app crashes too often too!

[nathandyer]

Thanks for reporting this issue! This is now fixed by our GTK4/libadwaita rewrite.