* mention issue works
* pr and loading works
* error node
* tweak mention display
* handle multiple creation error
* tidy
* store unfurl in mention attrs
* simplify mention code creation
* test fix
* base feedback
* update node when pos is available
* delete local UnfurlsStore
* use unfurl from store
* Optimize lodash isMatch import statement
* fix: Copy/paste of issue mentions
fix: Icon alignment
fix: Error and loading mentions are unselectable
* Switch order in paste menu
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Co-authored-by: Tom Moor <tom@getoutline.com>
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