[FOLLOWUP] Store app user in ShuffleTaskInfo

[smallzhongfeng]

What changes were proposed in this pull request?

Store app user information in shuffleTaskInfo.

Why are the changes needed?

Reduce cache.

Does this PR introduce any user-facing change?

No.

How was this patch tested?

Passed the ut.

[codecov-commenter]

Codecov Report

Merging #181 (2e3a7aa) into master (e968c00) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #181      +/-   ##
============================================
+ Coverage     58.39%   58.41%   +0.02%     
- Complexity     1268     1271       +3     
============================================
  Files           158      158              
  Lines          8426     8428       +2     
  Branches        782      782              
============================================
+ Hits           4920     4923       +3     
+ Misses         3254     3253       -1     
  Partials        252      252              

Impacted Files	Coverage Δ
...ava/org/apache/uniffle/server/ShuffleTaskInfo.java	93.75% <100.00%> (+2.08%)	⬆️
.../org/apache/uniffle/server/ShuffleTaskManager.java	64.28% <100.00%> (-0.32%)	⬇️
...storage/handler/impl/DataSkippableReadHandler.java	84.37% <0.00%> (+3.12%)	⬆️

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[jerqi]

LGTM, thanks @smallzhongfeng

[smallzhongfeng]

Thanks for your review. @jerqi Just minor changes.