[AMORO-4227] Refactor auto-creating iceberg tags via ProcessFactory plugin

[zhangwl9]

Why are the changes needed?

Close #4227.

Brief change log

How was this patch tested?

• Add some test cases that check the changes thoroughly including negative and positive cases if possible

• Add screenshots for manual tests if appropriate

• Run test locally before making a pull request

Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)

[codecov-commenter]

Codecov Report

❌ Patch coverage is 54.28571% with 16 lines in your changes missing coverage. Please review.
✅ Project coverage is 30.13%. Comparing base (38ef381) to head (e14a6a1).
⚠️ Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
...erver/process/iceberg/TagsAutoCreatingProcess.java	26.66%	11 Missing ⚠️
.../server/process/iceberg/IcebergProcessFactory.java	78.94%	0 Missing and 4 partials ⚠️
...src/main/java/org/apache/amoro/IcebergActions.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #4228      +/-   ##
============================================
+ Coverage     29.91%   30.13%   +0.22%     
- Complexity     4317     4375      +58     
============================================
  Files           677      679       +2     
  Lines         55037    55250     +213     
  Branches       7028     7086      +58     
============================================
+ Hits          16464    16650     +186     
- Misses        37337    37345       +8     
- Partials       1236     1255      +19     

Flag	Coverage Δ
core	30.13% <54.28%> (+0.22%)	⬆️

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[zhoujinsong]

LGTM.