fix: Add GenAI variables to runtime_global_variables population

Add flush_genai_variables___runtime_to_database() call to the central
location where all modules populate runtime_global_variables table.
This was missing, causing genai-* variables to not appear in
runtime_global_variables.

lib/ProxySQL_Admin.cpp

@@ -1586,6 +1586,7 @@ bool ProxySQL_Admin::GenericRefreshStatistics(const char *query_no_space, unsign
 				flush_ldap_variables___runtime_to_database(admindb, false, false, false, true);
 				flush_pgsql_variables___runtime_to_database(admindb, false, false, false, true);
 				flush_mcp_variables___runtime_to_database(admindb, false, false, false, true, false);
+				flush_genai_variables___runtime_to_database(admindb, false, false, false, true, false);
 				pthread_mutex_unlock(&GloVars.checksum_mutex);
 			}
 			if (runtime_mysql_servers) {