Bug fix for dock icons not appearing in Ubuntu 24.04

[cconkrig]

Description

Bug Fix: Dock icons are not displayed for any Rivendell application while using Ubuntu 24.04. The generic sprocket is displayed. This is a known change in Ubuntu which requires additional configuration to be set in the .desktop files.
Reference here: https://itsfoss.com/ubuntu-app-icon-missing/

Fixes Issue #985

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Manual compilation of source, ran the program and verified manually that the change was effective.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

Screenshot After Bug Fix (rdairplay was fixed manually to start with, the others are are not fixed in the screenshot and are just a vanilla installation of Rivendell 4.3.0.

[cconkrig]

@ElvishArtisan this one should be a pretty easy fix. Changing the .desktop files will pretty much instantly fix it without the need to restart or relaunch the app. Ubuntu will just replace the icon on the fly after a of couple seconds.