[#2241] improvement(server): Introduce storage flush operation timeout cancel to avoid disk hang

[zuston]

What changes were proposed in this pull request?

Introduce storage flush operation timeout cancel to avoid disk hang

Why are the changes needed?

For #2241

Does this PR introduce any user-facing change?

Yes.
rss.server.storage.flushOptionTimeoutSec is introduced, the default value = -1 means this timeout cancel will not be activated by default

How was this patch tested?

unit tests and existing tests.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 13 lines in your changes missing coverage. Please review.

Project coverage is 52.43%. Comparing base (10c02cd) to head (130b3bb).
Report is 8 commits behind head on master.

Files with missing lines	Patch %	Lines
...pache/uniffle/server/DefaultFlushEventHandler.java	30.76%	8 Missing and 1 partial ⚠️
.../uniffle/common/future/CompletableFutureUtils.java	80.95%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2247      +/-   ##
============================================
+ Coverage     52.15%   52.43%   +0.27%     
+ Complexity     3517     2959     -558     
============================================
  Files           550      467      -83     
  Lines         31672    22185    -9487     
  Branches       2707     2033     -674     
============================================
- Hits          16518    11632    -4886     
+ Misses        14098     9815    -4283     
+ Partials       1056      738     -318     

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[github-actions]

Test Results

 2 956 files  +15   2 956 suites  +15   6h 10m 50s ⏱️ - 6m 29s
 1 092 tests + 1   1 090 ✅ + 1   2 💤 ±0  0 ❌ ±0 
13 685 runs  +15  13 655 ✅ +15  30 💤 ±0  0 ❌ ±0 

Results for commit 92ae079. ± Comparison against base commit 4db95c3.

♻️ This comment has been updated with latest results.