fixup! [AMORO-3279] Get the total result when retrieve the optimizing…

… tables from db

amoro-ams/src/main/java/org/apache/amoro/server/table/TableService.java

@@ -105,6 +105,8 @@ Blocker block(
    *     set.
    * @param limit How many entries we want to retrieve.
    * @param offset The entries we'll skip when retrieving the entries.
+   * @return The first entry is the actual list under the filters and with the offset and limit,
+   *         and second value will return the total entries under the filters.
    */
   Pair<List<TableRuntimeMeta>, Integer> getTableRuntimes(
       String optimizerGroup,