Merge branch 'sales_1077016_FixOfferDiscountDisplay' into '2021.2.0'

[Projekt: xRM-Sales][TicketNr.: 1077016][0% Rabatt im Angebot wird unterschiedlich angezeigt.]

See merge request xrm/basic!1331

entity/Offeritem_entity/Offeritem_entity.aod

@@ -401,6 +401,10 @@
           <name>PRODUCT_ID.displayValue</name>
           <expression>%aditoprj%/entity/Offeritem_entity/recordcontainers/db/recordfieldmappings/product_id.displayvalue/expression.js</expression>
         </dbRecordFieldMapping>
+        <dbRecordFieldMapping>
+          <name>DISCOUNT.displayValue</name>
+          <expression>%aditoprj%/entity/Offeritem_entity/recordcontainers/db/recordfieldmappings/discount.displayvalue/expression.js</expression>
+        </dbRecordFieldMapping>
       </recordFieldMappings>
       <linkInformation>
         <linkInformation>

entity/Offeritem_entity/recordcontainers/db/recordfieldmappings/discount.displayvalue/expression.js

+import("system.result");
+import("Sql_lib");
+
+result.string(SqlBuilder.caseWhen(newWhere("OFFERITEM.DISCOUNT is null")).then("0").elseValue("OFFERITEM.DISCOUNT").toString());
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