fix(data-access): correct self-referential SQL in WorkCenter filter

The WHERE clause was comparing Code to itself instead of the aliased
table reference, which would always be true.

DATA_SYNC/JDE/SQL_GET_ITEMS.sql

@@ -0,0 +1,13 @@
+-- Item Full Query
+-- Source: JDESTAGE.F4101_VIEW
+-- Destination: Item
+-- Schedule: Mass/Daily/Hourly
+
+SELECT pn.IDENTIFIERSHORTITEM_IMITM AS ShortItemNumber,
+       TRIM(pn.IDENTIFIER2NDITEM_IMLITM) AS ItemNumber,
+       TRIM(pn.DESCRIPTIONLINE1_IMDSC1) AS Description,
+       TRIM(pn.PURCHASINGREPORTCODE4_IMPRP4) AS PlanningFamily,
+       pn.DATEUPDATED_IMUPMJ AS DateUpdated,
+       pn.TIMEOFDAY_IMTDAY AS TimeUpdated
+  FROM JDESTAGE.F4101_VIEW pn
+ WHERE TRIM(pn.IDENTIFIER2NDITEM_IMLITM) IS NOT NULL