[Bug]: The error of loading progress is not user friendly when the collection is released or not loaded

[binbinlv]

Is there an existing issue for this?

• I have searched the existing issues

Environment

- Milvus version: master latest
- Deployment mode(standalone or cluster):both
- SDK version(e.g. pymilvus v2.0.0rc2): 2.2.0.dev44
- OS(Ubuntu or CentOS): 
- CPU/Memory: 
- GPU: 
- Others:

Current Behavior

The error of loading progress is not user friendly when the collection is released or not loaded
Report error
(code=1, message=fail to show collections from the querycoord, no data)

Expected Behavior

something like "Not loaded"

Steps To Reproduce

Running test cases:

/test_utility.py:TestUtilityBase.test_loading_progress_after_release
or

test_loading_progress_without_loading

Milvus Log

No response

Anything else?

No response

[stale]

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