AssassinTee

I think we should simply forbid this command in `f1` or add a confirmation with `y` if executed in the console

~~I am going to move one little part from "DoRender" to "Render" but some other PR went in between, WIP~~ Done ✅

For me this is all part of the "demos are all named differently"-inconsistency story ... Same thing is true for the `sv_record_player_demo` command

Note: with #10112 we also might have "Add quadart" in the future in the tools section --- `Goto Position` would be a good start, since it's very useful in big...

I like the idea, I have a similar problem inside the rendering pipeline with render layers

tested ingame, working fine, tested localserver and community icons

> it probably comes from [Homebrew/brew#16137](https://github.com/Homebrew/brew/issues/16137) This is completed since august, so we can close this

> This feature hasn't been accepted yet and this implementation doesn't really look useful to me Yeah feel free to decline. For me this is one of the "must have"...

How do I turn this off? Can I turn this off ingame or do I need to do this from windows?

I tried with ```console C:\WINDOWS\system32>cd "C:\Program Files\tuxguitar" C:\Program Files\tuxguitar>tuxguitar.bat C:\Program Files\tuxguitar> ``` But I got no error messages, the program really appears to hang, maybe an infinite loop? (OpenJDK platform...