CVWidgetMSEditor: add a midiDisconnect-action to the midiConnect-button
CVWidget: fix CmdPeriod behaviour for CVWidgetMS in midiConnect

Signed-off-by: nuss <st9fan@gmail.com>
always position a CVWidgetMSEditor alligned with other CVWidgetEditors

Signed-off-by: nuss <st9fan@gmail.com>
minor updates (more or less cosmetics)

Signed-off-by: nuss <st9fan@gmail.com>