adapter: support `node.channel-names`
This needs to be added to changelog, since the feature could be significant for convenience.
Allow customizing channel names for nodes
The feature is helpful to those who use a multichannel interface with long-term connections. This way they can label each port with it designation, such as instrument name or anything else to be displayed in patchbay or DAW.
Example, including duplicated custom names:
Edited by Dmitry Sharshakov