Merge #15038: docs: Get more info about GUI-related issue on Linux

79f0a3f Get more info about GUI-related issue on Linux (Hennadii Stepanov)

Pull request description:

  There is bunch of combinations Linux Distro (Debian, Fedora, Ubuntu etc) + Desktop Environment (GNOME, KDE, Xfce etc) + Graphical Shell (Unity, GNOME Shell etc).

  This PR adds related requests to the issue template. Providing such data will make GUI-related issue reviewing and reproducing easier.

Tree-SHA512: 9728d7826108b62a916c43523572d1da1b52b43a21b3d550a84225ff67951224e0b8a9394627f274d7c65383b3f526bcd12cc40eef9d7fec174c19d1abf333d8

Author: laanwj

.github/ISSUE_TEMPLATE.md

@@ -17,5 +17,7 @@ If the node is "stuck" during sync or giving "block checksum mismatch" errors, p
 
 <!-- What type of machine are you observing the error on (OS/CPU and disk type)? -->
 
+<!-- For the GUI-related issue on Linux provide names and versions of a distro, a desktop environment and a graphical shell (if relevant). -->
+
 <!-- Any extra information that might be useful in the debugging process. -->
 <!--- This is normally the contents of a `debug.log` or `config.log` file. Raw text or a link to a pastebin type site are preferred. -->