Ensure all palette categories are opened properly Closes #1893
Ensure all palette categories are opened properly
Closes #1893

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