#3250815 - Changed ID separator in messages output table to ‘:’.

Closes #3250815

src/Commands/MigrateToolsCommands.php

@@ -685,8 +685,8 @@ class MigrateToolsCommands extends DrushCommands {
           $destination_ids[$name] = $item;
         }
       }
-      $array_row['source_ids'] = implode(', ', $source_ids);
-      $array_row['destination_ids'] = implode(', ', $destination_ids);
+      $array_row['source_ids'] = implode(':', $source_ids);
+      $array_row['destination_ids'] = implode(':', $destination_ids);
       $table[] = $array_row;
     }
     if (empty($table)) {