Login: Update tracking and error handling for basic auth#16378

itsmeichigo wants to merge 4 commits intorelease/23.7woocommerce/woocommerce-ios:release/23.7from

woomob-1703-ios-support-basic-authwoocommerce/woocommerce-ios:woomob-1703-ios-support-basic-authCopy head branch name to clipboard