fix store node NPE

[JackyYangPassion]

Purpose of the PR

• close [Bug] HStore get version NPE #2743

Main Changes

Verifying these changes

• Trivial rework / code cleanup without any test coverage. (No Need)
• Already covered by existing tests, such as (please modify tests here).
• Need tests and can be verified as follows:
  • xxx

Does this PR potentially affect the following parts?

• Dependencies (add/update license info & regenerate_known_dependencies.sh)
• Modify configurations
• The public API
• Other affects (typed here)
• Nope

Documentation Status

• Doc - TODO
• Doc - Done
• Doc - No Need

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 9 lines in your changes missing coverage. Please review.

Project coverage is 1.61%. Comparing base (8c1ee71) to head (3823dc1).
Report is 6 commits behind head on master.

Files with missing lines	Patch %	Lines
.../java/org/apache/hugegraph/store/util/Version.java	0.00%	9 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (8c1ee71) and HEAD (3823dc1). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (8c1ee71)	HEAD (3823dc1)
	3	2

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #2760       +/-   ##
============================================
- Coverage     41.13%   1.61%   -39.52%     
+ Complexity      333      73      -260     
============================================
  Files           747     734       -13     
  Lines         60123   57880     -2243     
  Branches       7676    7251      -425     
============================================
- Hits          24730     934    -23796     
- Misses        32809   56885    +24076     
+ Partials       2584      61     -2523     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.