Revert jsonata sync access to context stores
Revert jsonata sync access to context stores

 - store access only possible with callback

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