Make desktop icon configurable in (silent) installer

[mape2k]

• [X] I agree to follow the Code of Conduct that this project adheres to.
• [X] I have searched the issue tracker for a feature request that matches the one I want to file, without success.

Describe the solution you'd like The installer should offer a checkbox, the silent installer should offer parameter to disable the (re)creation of the desktop icon on installation.

Describe alternatives you've considered Disable desktop icon per default in installer to make clean desktop possible.