Resolve Issue #237 (#257)
Resolve Issue #237 (#257)

* #237 UI Visual Issue: Switching Trading Pairs when using Horizontal Mode

* use are_equal_shallow to compare immutable array

BitSharesEurope/testnet.bitshares.eu,BitSharesEurope/testnet.bitshares.eu,bitshares/bitshares-ui,bitshares/bitshares-ui,trendever/bitshares-ui,BitSharesEurope/graphene-ui-testnet,BitSharesEurope/testnet.bitshares.eu,openledger/graphene-ui,BitSharesEurope/wallet.bitshares.eu,BitSharesEurope/wallet.bitshares.eu,BitSharesEurope/testnet.bitshares.eu,openledger/graphene-ui,BitSharesEurope/wallet.bitshares.eu,BitSharesEurope/graphene-ui-testnet,trendever/bitshares-ui,bitshares/bitshares-ui,bitshares/bitshares-2-ui,bitshares/bitshares-ui,BitSharesEurope/wallet.bitshares.eu,openledger/graphene-ui,bitshares/bitshares-2-ui,BitSharesEurope/graphene-ui-testnet,bitshares/bitshares-2-ui,trendever/bitshares-ui,BitSharesEurope/graphene-ui-testnet,trendever/bitshares-ui