allow adding permission via JoinTableDef (#1660)

Author: tanjjj

vuu/src/main/scala/org/finos/vuu/api/TableDef.scala

@@ -44,7 +44,7 @@ object TableDef {
 
   def apply(name: String, keyField: String, columns: Array[Column], links: VisualLinks, indices: Indices, joinFields: String*): TableDef = {
     new TableDef(name, keyField, columns, joinFields, links = links, indices = indices)
-}
+  }
 
   def apply(name: String, keyField: String, columns: Array[Column], indices: Indices, joinFields: String*): TableDef = {
     new TableDef(name, keyField, columns, joinFields, indices = indices)
@@ -187,6 +187,11 @@ case class JoinTableDef(override val name: String, baseTable: TableDef, joinColu
 
   override def toString: String = s"JoinTableDef(name=$name)"
 
+  override def withPermissions(func: (ViewPort, TableContainer) => RowPermissionChecker): JoinTableDef = {
+    super.withPermissions(func)
+    this
+  }
+
   def getJoinDefinitionColumns(): Array[Column] = joinTableColumns
 
   def containsTable(tableName: String): Boolean = {