[WIP] Save scheduler job metadata entries to env

[jzhuge]

Save scheduler job metadata entries to env so that they are available for Spark run.py.

[jzhuge]

TODO

• Add unit tests
• Remove the hardcoded suffix

[codecov]

Codecov Report

Attention: Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

Project coverage is 90.75%. Comparing base (a117a93) to head (27ce13b).
Report is 17 commits behind head on master.

Files with missing lines	Patch %	Lines
...enie/web/services/impl/JobResolverServiceImpl.java	88.88%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1199      +/-   ##
============================================
- Coverage     90.75%   90.75%   -0.01%     
- Complexity     3809     3814       +5     
============================================
  Files           467      467              
  Lines         14976    14985       +9     
  Branches       1071     1071              
============================================
+ Hits          13591    13599       +8     
- Misses          909      910       +1     
  Partials        476      476              

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