[Bug]:The ElementType value is not set in InsertRequest for the array data type.

[jaime0815]

Is there an existing issue for this?

• I have searched the existing issues

Describe the bug

It may lead to data type mismatches on the server for array data types.

Expected Behavior

No response

Steps/Code To Reproduce behavior

No response

Environment details

- Hardware/Softward conditions (OS, CPU, GPU, Memory):
- Method of installation (Docker, or from source):
- Milvus version (v0.3.1, or v0.4.0):
- Milvus configuration (Settings you made in `server_config.yaml`):

Anything else?

No response