channel bindings help dialog. <ChannelBindingHelpDialog

Tooltips on touch ui? 


- pipewire aux in?


Check that OnNotifyPatchProperty still worsk for 
- FilePropertyControl
- PowerStage2.
- ToobSpectrumAnaylyzer.

pcm.pipedal_aux_in {
    type file
    file "/tmp/aux_input_fifo"
    infile "/tmp/aux_input_fifo"
    format "raw"
    slave {
        pcm null
        format S16_LE
        rate 48000
        channels 2
    }
}