[Bug 1808857] [NEW] Can't pin QtCreator 4.5.2-3ubuntu2 to dash (add to favorites) in Ubuntu 18.04

[Valentin Gorelov]

Public bug reported:

I'm unable to pin QtCreator to the dash (add to favorites) in Ubuntu 18.04.
This problem is probably caused by the absence of StartupWMClass in the desktop file, located in
/usr/share/applications

Could be fixed with this patch:

diff -uN old/org.qt-project.qtcreator.desktop new/org.qt-project.qtcreator.desktop
--- old/org.qt-project.qtcreator.desktop	2018-03-02 15:33:32.000000000 +0300
+++ new/org.qt-project.qtcreator.desktop	2018-12-17 22:15:57.561828923 +0300
@@ -8,4 +8,5 @@
 Terminal=false
 Categories=Development;IDE;Qt;
 MimeType= text/x-c++src;text/x-c++hdr;text/x-xsrc;application/x-designer;application/vnd.qt.qmakeprofile;application/vnd.qt.xml.resource;
+StartupWMClass=QtCreator

System info:
$ lsb_release -rd
Description:	Ubuntu 18.04.1 LTS
Release:	18.04

Package info:
$ apt-cache policy qtcreator
qtcreator:
  Installed: 4.5.2-3ubuntu2
  Candidate: 4.5.2-3ubuntu2
  Version table:
 *** 4.5.2-3ubuntu2 500
        500 http://ru.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
        100 /var/lib/dpkg/status

** Affects: qtcreator (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1808857

Title:
  Can't pin QtCreator 4.5.2-3ubuntu2 to dash (add to favorites) in
  Ubuntu 18.04

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