Related to #36215
This PR add error handler setting option providing the possibility to
change error handling behavior other than panicking.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
1. Move the common modules of streamingNode and dataNode to flushcommon
2. Add new GetVChannels interface for rootcoord
issue: https://github.com/milvus-io/milvus/issues/33285
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>