[bug](function) fix explode_number function return wrong rows (#23603)

before the explode_number function result is random with const value.
because the _cur_size is reset, so it's can't insert values to column.

be/src/vec/exprs/table_function/vexplode_split.cpp

@@ -43,7 +43,7 @@ Status VExplodeSplitTableFunction::open() {
     return Status::OK();
 }
 
-Status VExplodeSplitTableFunction::process_init(Block* block) {
+Status VExplodeSplitTableFunction::process_init(Block* block, RuntimeState* state) {
     CHECK(_expr_context->root()->children().size() == 2)
             << "VExplodeSplitTableFunction must be have 2 children but have "
             << _expr_context->root()->children().size();