fix #1046578: added mandatory option in Prod2Prod for QUANTITY and SOURCE_ID

entity/Prod2prod_entity/Prod2prod_entity.aod

@@ -32,6 +32,7 @@
       <contentType>NUMBER</contentType>
       <outputFormat>#</outputFormat>
       <inputFormat>#</inputFormat>
+      <mandatory v="true" />
       <valueProcess>%aditoprj%/entity/Prod2prod_entity/entityfields/quantity/valueProcess.js</valueProcess>
     </entityField>
     <entityField>
@@ -39,6 +40,7 @@
       <documentation>%aditoprj%/entity/Prod2prod_entity/entityfields/source_id/documentation.adoc</documentation>
       <title>Product</title>
       <consumer>Products</consumer>
+      <mandatory v="true" />
     </entityField>
     <entityField>
       <name>TAKEPRICE</name>