[fix](conf) make be conf disable_storage_page_cache modifiable (apach…

…e#33773)

Signed-off-by: freemandealer <freeman.zhang1992@gmail.com>

be/src/common/config.cpp

@@ -326,7 +326,7 @@ DEFINE_Int32(storage_page_cache_shard_size, "256");
 // all storage page cache will be divided into data_page_cache and index_page_cache
 DEFINE_Int32(index_page_cache_percentage, "10");
 // whether to disable page cache feature in storage
-DEFINE_Bool(disable_storage_page_cache, "false");
+DEFINE_mBool(disable_storage_page_cache, "false");
 // whether to disable row cache feature in storage
 DEFINE_mBool(disable_storage_row_cache, "true");
 // whether to disable pk page cache feature in storage