Fix appearrence of change node label for flow/global ref (#1792)
Fix appearrence of change node label for flow/global ref (#1792)

* fix appearence of change node label for flow/global ref

* use RED.utils.parseContextKey

node-red/node-red,namgk/node-red,HiroyasuNishiyama/node-red,btsimonh/node-red,node-red/node-red,HiroyasuNishiyama/node-red,node-red/node-red,namgk/node-red,mw75/node-red,btsimonh/node-red,mw75/node-red,btsimonh/node-red,mw75/node-red,mw75/node-red,HiroyasuNishiyama/node-red