[AMORO-3909] Add Mixed Format/Spark CI workflow

[xxubai]

Why are the changes needed?

Subtask of #3909.

Brief change log

• Add CI workflow for mixed format / spark engine

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

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 28.84%. Comparing base (6166396) to head (dc5173d).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #3910   +/-   ##
=========================================
  Coverage     28.84%   28.84%           
  Complexity     3844     3844           
=========================================
  Files           628      628           
  Lines         50551    50551           
  Branches       6456     6456           
=========================================
  Hits          14580    14580           
  Misses        34944    34944           
  Partials       1027     1027           

Flag	Coverage Δ
core	28.84% <ø> (ø)

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