Handling long playlist comments (#2973)

Closes #1737

* wrapping playlist comment in a <Collapse> element

* Extract common collapsible logic into a component

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Co-authored-by: Deluan <deluan@navidrome.org>

ui/src/common/index.js

@@ -2,6 +2,7 @@ export * from './AddToPlaylistButton'
 export * from './ArtistLinkField'
 export * from './BatchPlayButton'
 export * from './BitrateField'
+export * from './CollapsibleComment'
 export * from './ContextMenus'
 export * from './DateField'
 export * from './DocLink'