ME: Hiccoughs when inserting notes on a different channel

[DarkStar]

Steps:

• open a new MIDI Editor
• enter a few notes and name the note ("on all")
• run the Action "Set channel for new events to 03"
• >> the (channel 01) notes are still visible, the Channel selector is still "All channels", but the Note name has been removed (Bug 1)
• enter a few notes and name that note ("on 03")
• >> in the Channel drop-down (which still says "All channels", Channel 01 has an * but Channel 03 does not (Bug 2)
• mousewheel-scroll the Channel selector down and back to "All channels",
• >> both sets of notes are displayed, but only the "on all" note name is displayed (Bug 3)
• select Channel 03, then select "All channels",
• >> both sets of notes are displayed, but only the "on 03" note name is displayed (Bug 4)

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Issue Tracker:
http://forum.cockos.com/project.php?issueid=5491