MDEV-16110 ALTER with ALGORITHM=INPLACE breaks temporary table with virtual columns

Part one, non-temporary tables.

Rrenaming a column can make destructive changes
to the TABLE. This TABLE cannot be used anymore
and needs to be reopened even if ALTER TABLE
was aborted with an error.

sql/sql_table.cc

@@ -7677,6 +7677,7 @@ mysql_prepare_alter_table(THD *thd, TABLE *table,
       if (field->default_value)
         field->default_value->expr->walk(&Item::rename_fields_processor, 1,
                                          &column_rename_param);
+      table->m_needs_reopen= 1; // because new column name is on thd->mem_root
     }
 
     /* Check if field is changed */