Add warning if entity is not covered by any boundary area

Author: sebastian-peter

src/main/scala/edu/ie3/osmogrid/lv/region_coordinator/OsmoGridModelPartitioner.scala

@@ -109,6 +109,11 @@ object OsmoGridModelPartitioner {
       case EntityAllocationStrategy.AssignByMax =>
         entityVotes
           .maxByOption(_._2)
+          .foreach { case (areaKey, voteCount) =>
+            if voteCount == 0 then
+              logger warn s"Entity ${enhancedEntity.entity} is not covered by any given area " +
+                s"(but is assigned to area $areaKey nonetheless)"
+          }
           .map(_._1)
           .map(Iterable.single)
           .getOrElse(Iterable.empty)