Problem: [currency/x] Cannot read property 'downVoted' of undefined (#1435)
Problem: [currency/x] Cannot read property 'downVoted' of undefined (#1435)

Solution: Check if the object `doc` is defined in `hasUserVoted` global helper before trying to access its properties and update collection references when collections are dynamically imported in `/client/main` in order to fix `hasUserVoted` functionality.

Blockrazor/blockrazor,Blockrazor/blockrazor,Blockrazor/blockrazor