Resolve "Automatically Invoice All Items" is "Yes" but no invoice is created (Zero Subtotal Checkout)

edenduong · edenduong · commit 9772075c23c5 · 2019-07-13T16:56:43.000+07:00
diff --git a/app/code/Magento/OfflinePayments/etc/config.xml b/app/code/Magento/OfflinePayments/etc/config.xml
@@ -42,6 +42,7 @@
             </cashondelivery>
             <free>
                 <group>offline</group>
+                <payment_action>authorize_capture</payment_action>
             </free>
         </payment>
     </default>
