[Enhancment] Rename class names for MMagic

[LeoXing1996]

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Motivation

MMagic will be released soon!

Modification

As title.

BC-breaking (Optional)

Does the modification introduce changes that break the backward-compatibility of the downstream repositories?
If so, please describe how it breaks the compatibility and how the downstream projects should modify their code to keep compatibility with this PR.

Use cases (Optional)

If this PR introduces a new feature, it is better to list some use cases here, and update the documentation.

Checklist

Before PR:

• I have read and followed the workflow indicated in the CONTRIBUTING.md to create this PR.
• Pre-commit or linting tools indicated in CONTRIBUTING.md are used to fix the potential lint issues.
• Bug fixes are covered by unit tests, the case that causes the bug should be added in the unit tests.
• New functionalities are covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• The documentation has been modified accordingly, including docstring or example tutorials.

After PR:

• If the modification has potential influence on downstream or other related projects, this PR should be tested with some of those projects.
• CLA has been signed and all committers have signed the CLA in this PR.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (mmagic@439f906). Click here to learn what that means.
Patch has no changes to coverable lines.

❗ Current head e9b117f differs from pull request most recent head e014016. Consider uploading reports for the commit e014016 to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##             mmagic    #1784   +/-   ##
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  Coverage          ?   83.54%           
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  Files             ?      409           
  Lines             ?    27523           
  Branches          ?     4306           
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  Hits              ?    22995           
  Misses            ?     3593           
  Partials          ?      935           

Flag	Coverage Δ
unittests	83.54% <0.00%> (?)

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