New operation named MultiSegmentsOperation support multi-segments during flush (#3733)

* Add multiSegmentsOpera

Signed-off-by: yinghao.zou <yinghao.zou@zilliz.com>

* rish test

Signed-off-by: yinghao.zou <yinghao.zou@zilliz.com>

* Add new operation MultiSegmentsOperation

Signed-off-by: yinghao.zou <yinghao.zou@zilliz.com>

* Recoveray ut itls

Signed-off-by: yinghao.zou <yinghao.zou@zilliz.com>

* fix judeg bug

Signed-off-by: yinghao.zou <yinghao.zou@zilliz.com>
Signed-off-by: shengjun.li <shengjun.li@zilliz.com>