[Bug 1964036] [NEW] Firefox icon missing from panel following Kubuntu LTS upgrade 20.04->22.04

[Brent Gervais]

Public bug reported:


1) lsb_release -rd

Description:    Ubuntu Jammy Jellyfish (development branch)
Release:        22.04


2) apt-cache policy ubuntu-release-upgrader-core 
ubuntu-release-upgrader-core:
  Installed: 1:22.04.6

3) expected

* Firefox icon on panel to be intact.
* Clicked icon launches browser.
* Icon tooltip/mouse hover to describe application.

4) happened instead

* Icon is missing/replaced with a generic icon
* Icon click produces error notification "Plasma Workspace - preferred://browser"
* Icon tooltip/mouse hover appears, though is blank.

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: jammy

** Attachment added: "bugReport-Kubuntu-[ubuntu-release-upgrader]-firefox-icon-missing"
   https://bugs.launchpad.net/bugs/1964036/+attachment/5566673/+files/bugReport-Kubuntu-%5Bubuntu-release-upgrader%5D-firefox-icon-missing

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https://bugs.launchpad.net/bugs/1964036

Title:
  Firefox icon missing from panel following Kubuntu LTS upgrade
  20.04->22.04

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:

  1) lsb_release -rd

  Description:    Ubuntu Jammy Jellyfish (development branch)
  Release:        22.04

  
  2) apt-cache policy ubuntu-release-upgrader-core 
  ubuntu-release-upgrader-core:
    Installed: 1:22.04.6

  3) expected

  * Firefox icon on panel to be intact.
  * Clicked icon launches browser.
  * Icon tooltip/mouse hover to describe application.

  4) happened instead

  * Icon is missing/replaced with a generic icon
  * Icon click produces error notification "Plasma Workspace - preferred://browser"
  * Icon tooltip/mouse hover appears, though is blank.

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