fix: in wait-storage.sh, always wait for storage with default rocksdb

[aroundabout]

Purpose of the PR

• fix: Github action execute error in demo repo
  

Main Changes

Add a condition whether there are no changes about the graph config.
If no changes, then server use the embedded rocksdb to store data without waiting for storage.

Now:

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?

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

Documentation Status

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

[codecov]

Codecov Report

Merging #2333 (1061c74) into master (d4b95ca) will decrease coverage by 8.16%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #2333      +/-   ##
============================================
- Coverage     61.50%   53.34%   -8.16%     
- Complexity      494      662     +168     
============================================
  Files           505      505              
  Lines         41902    41902              
  Branches       5817     5817              
============================================
- Hits          25771    22354    -3417     
- Misses        13506    17176    +3670     
+ Partials       2625     2372     -253     

see 150 files with indirect coverage changes

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