[fix](compile) Resolve compile failure (apache#38593)

## Proposed changes

Resolve conflicts by merging apache#38436 and apache#38403

<!--Describe your changes.-->

be/src/exec/schema_scanner/schema_workload_group_privileges.cpp

@@ -104,7 +104,8 @@ Status SchemaWorkloadGroupPrivilegesScanner::_get_workload_group_privs_block_fro
     return Status::OK();
 }
 
-Status SchemaWorkloadGroupPrivilegesScanner::get_next_block(vectorized::Block* block, bool* eos) {
+Status SchemaWorkloadGroupPrivilegesScanner::get_next_block_internal(vectorized::Block* block,
+                                                                     bool* eos) {
     if (!_is_init) {
         return Status::InternalError("Used before initialized.");
     }

be/src/exec/schema_scanner/schema_workload_group_privileges.h

@@ -36,7 +36,7 @@ class SchemaWorkloadGroupPrivilegesScanner : public SchemaScanner {
     ~SchemaWorkloadGroupPrivilegesScanner() override;
 
     Status start(RuntimeState* state) override;
-    Status get_next_block(vectorized::Block* block, bool* eos) override;
+    Status get_next_block_internal(vectorized::Block* block, bool* eos) override;
 
     static std::vector<SchemaScanner::ColumnDesc> _s_tbls_columns;