internal/rosa/meson: optionally use muon

This is a much faster implementation free of python dependency hell, however currently fails to handle symbol visibility correctly, so unable to default to on. This change also cleans up some meson arguments.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/state.go

@@ -878,6 +878,7 @@ func (s *S) getFrame() azalea.Frame {
 			) (v any, set bool, err error) {
 				var attr MesonHelper
 				if err = args.Apply(map[unique.Handle[azalea.Ident]]any{
+					k("muon"):            &attr.Muon,
 					k("preCompile"):      &attr.ScriptCompileEarly,
 					k("postCompile"):     &attr.ScriptCompiled,
 					k("postInstall"):     &attr.Script,