[Backport] Fix cache issue for currencies with no symbol#15781

dmytro-ch wants to merge 2 commits into

magento:2.1-developmagento/magento2:2.1-developfrom

dmytro-ch:fix/2.1-cache-issue-for-currencies-with-no-symboldmytro-ch/magento2:fix/2.1-cache-issue-for-currencies-with-no-symbolCopy head branch name to clipboard