Decode `meta_data` incorrectly sent as an object#16141

joshheald merged 16 commits intotrunkwoocommerce/woocommerce-ios:trunkfrom

woomob-1362-decode-productvariation-meta_data-provided-as-an-object-notwoocommerce/woocommerce-ios:woomob-1362-decode-productvariation-meta_data-provided-as-an-object-notCopy head branch name to clipboard