fix & feat: (fix) memory leaks on global dispatcher, (feat) config abwd using taos_option and taos.cfg

* [TD-14555]<impr>: remove plugins/mqtt

* [TD-14540]<impr>: taosdump code cleanup

* update taos-tools

* refine 5-taos-tools/taosdump/taosdumpTestInspect.py

* [TD-14540]<impr>: refine tools/taosdumpTest2.py

* remove a few unused checks

* update taos-tools

* debug tools/taosdumpTest2.py

* add more debug

* merge with develop

* remove all MQTT code

* remove all MQTT code

* remove debug from tests/pytest/tools/taosdumpTest2.py

* fix mac compile error

* remove mqttDebugFlag

[TD-11437]<feature>(connector,query,insert,other,tools,taosAdapter):add shortcutFlag to facilitate analysis of insert performance

* [TS-498]<test>: add a test case for HttpClientPoolUtil

* [TS-498]<fix>: fixed 'no sql input' bug

* throw exception when httpEntity is null

* [TS-498]<fix>: alter Keep Alive Time in RESTful pool
Co-authored-by: Nxywang <xywang@taosdata.com>

* [TS-498]<test>: add a test case for HttpClientPoolUtil

* [TS-498]<fix>: fixed 'no sql input' bug

* throw exception when httpEntity is null

* [TS-498]<fix>: change taosd keepAlive to 30s
Co-authored-by: Nxywang <xywang@taosdata.com>

specify child table name instead using ID in tag field.

add tsClientMerge option to enable or disable client merge row and fix server duplicate row merge bug in skiplist

to binary/nchar through smlDefaultJSONStrType param