fix(log): prefix_filter not working.

[youngsofun]

I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/

Summary

after this fix, with the following configuration, only Databend’s own logs will be retained in the log.

[log]

[log.file]
...
prefix_filter = "databend_,openraft"

cc @wubx

Tests

• Unit Test
• Logic Test
• Benchmark Test
• No Test - Explain why

Type of change

• Bug Fix (non-breaking change which fixes an issue)
• New Feature (non-breaking change which adds functionality)
• Breaking Change (fix or feature that could cause existing functionality not to work as expected)
• Documentation Update
• Refactoring
• Performance Improvement
• Other (please describe):

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This change is 

[drmingdrmer]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @sundy-li)

[wubx]

The product configuration is

prefix_filter=""

Because I want to get OpenDal's error report.

BTW:

What specific values can be configured in the prefix_filter?

[drmingdrmer]

The product configuration is

prefix_filter=""

Because I want to get OpenDal's error report.

BTW:

What specific values can be configured in the prefix_filter?

prefix_filter="databend_,opendal"

[wubx]

The product configuration is

prefix_filter=""

Because I want to get OpenDal's error report.
BTW:
What specific values can be configured in the prefix_filter?

prefix_filter="databend_,opendal"

Please provide a list of supported items in prefilter_filter

[drmingdrmer]

The product configuration is

prefix_filter=""

Because I want to get OpenDal's error report.
BTW:
What specific values can be configured in the prefix_filter?

prefix_filter="databend_,opendal"

Please provide a list of supported items in prefilter_filter

The items in this list are crate name prefixes. For example databend_ matches all databend crates, open matches openraft and opendal.