Add nil params checks to copy functions in case of exclude#1

gmalouf merged 1 commit intogmalouf:applications-endpoint-streamlininggmalouf/go-algorand:applications-endpoint-streamliningfrom

cce:applications-endpoint-streamlining-check-nil-paramscce/go-algorand:applications-endpoint-streamlining-check-nil-paramsCopy head branch name to clipboard