Save ext id and desc for phys flows

- clear up unknowns on logicals if a physical flow is added and datatypes propagated up

#CTCTOWATLZ-2582
finos#6269

waltz-data/src/main/java/org/finos/waltz/data/physical_specification/PhysicalSpecificationDao.java

@@ -336,7 +336,8 @@ private void removeUnknownFromLogicalFlowWherePossible(DSLContext tx, long speci
                 .groupBy(lfd.LOGICAL_FLOW_ID)
                 .having(count(lfd.DECORATOR_ENTITY_ID).gt(0));
 
-        SelectConditionStep<Record1<Long>> unknownDecoratorsThatCanBeRemoved = tx.select(lfd.ID)
+        SelectConditionStep<Record1<Long>> unknownDecoratorsThatCanBeRemoved = tx
+                .select(lfd.ID)
                 .from(lfd)
                 .innerJoin(dt).on(lfd.DECORATOR_ENTITY_ID.eq(dt.ID)
                         .and(lfd.DECORATOR_ENTITY_KIND.eq(EntityKind.DATA_TYPE.name())))