Add a fix to scroll timezone list and make the pre-selected one on the top.
Add a fix to scroll timezone list and make the pre-selected one on the top.

By finding the li of current timezone element, use scrollIntoView to scroll the current li to be the top of the ul.

mariodian/OpenBazaar-Client,rmisio/OpenBazaar-Client,OpenBazaar/OpenBazaar-Client,programmerpeter/OpenBazaar-Client,Kirvx/OpenBazaar-Client,OpenBazaar/OpenBazaar-Client,blockchainProject/blockchain-project-client,mariodian/OpenBazaar-Client,Kirvx/OpenBazaar-Client,blockchainProject/blockchain-project-client,rmisio/OpenBazaar-Client,jjeffryes/OpenBazaar-Client,programmerpeter/OpenBazaar-Client,jjeffryes/OpenBazaar-Client