[bugfix](load) fix be crash in write ordinal_index when flush mem_table

commit apache#9123 makes bitshuffle_page return error when remain capacity
is not enough, which lead to column_write return error and cannot
finish_current_page even when page is full, then be crash when flush
memtable, found that some column is empty, and crashed in build oridinal
index page.

be/src/olap/rowset/segment_v2/bitshuffle_page.h

@@ -103,11 +103,11 @@ class BitshufflePageBuilder : public PageBuilder {
     template <bool single>
     inline Status add_internal(const uint8_t* vals, size_t* count) {
         DCHECK(!_finished);
-        if (_remain_element_capacity <= 0) {
+        int to_add = std::min<int>(_remain_element_capacity, *count);
+        if (to_add == 0) {
             *count = 0;
-            return Status::RuntimeError("page is full.");
+            return Status::OK();
         }
-        int to_add = std::min<int>(_remain_element_capacity, *count);
         int to_add_size = to_add * SIZE_OF_TYPE;
         size_t orig_size = _data.size();
         _data.resize(orig_size + to_add_size);