DE1795 Refactor And Fix Hardcoded Currency Code

Add eb2cpayment helper method 'buildRedeemRequest'
with an extra parameter $isVoid to flag when building
storedvalueredeemvoid request. Make storedvalue redeem and
redeem void use the helper method to build DOMDocument request.
Make the currencyCode get the current store Currency code instead
of the hardcoded 'USD' string.
US15627 Update FileTransfer Submodule

Update FileTransfer submodule to no longer include Active Config.

Add separate submodule for Active Config.
Add Payment Bridge Patch to Deploy