sysutils/dsbmc: Update to 1.1

ChangeLog: https://freeshell.de/~mk/projects/dsbmc-relnotes.html

• The application name and RESOURCE_NAME environment variable will now be set so that WM_CLASS is defined.
• An item has been added to the tray menu to show/hide the main window. This is basically a modification of the patch provided by @Peter2121.
• realpath() will now be used to resolve image file paths.
• When trying to start another instance of DSBMC, the main window of the previous instance will be shown.

PR: 248930
Submitted by: mk@nic-nac-project.org (maintainer)