fix: added inheritance join to column in subquery (#4966)

* added inheritance join where column in subquery

* fix: changed inheritance join to root table select

Author: harmbrugge

backend/molgenis-emx2-sql/src/main/java/org/molgenis/emx2/sql/SqlQuery.java

@@ -1595,7 +1595,7 @@ private Condition whereColumnInSubquery(Column c, SelectSelectStep subQuery) {
         return row(pkey)
             .in(
                 DSL.select(backRef)
-                    .from(c.getRefTable().getJooqTable())
+                    .from(c.getRefTable().getRootTable().getJooqTable())
                     .where(row(backRefKey).in(subQuery)));
       } else {
         // ref_array