[Backport] "Add Block Names to Hints" config setting to represent what it actually does#15105

magento-engcom-team merged 1 commit intomagento:2.1-developmagento/magento2:2.1-developfrom

sergiy-v:feature/2.1-block-class-type-config-labelsergiy-v/magento2:feature/2.1-block-class-type-config-labelCopy head branch name to clipboard