enhance: the actual number of databases should equal the config value

[jaime0815]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.07%. Comparing base (e76802f) to head (b59184b).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #38006      +/-   ##
==========================================
+ Coverage   79.00%   81.07%   +2.07%     
==========================================
  Files        1352     1360       +8     
  Lines      189537   190776    +1239     
==========================================
+ Hits       149739   154680    +4941     
+ Misses      34341    30615    -3726     
- Partials     5457     5481      +24     

Components	Coverage Δ
Client	72.33% <ø> (ø)
Core	68.87% <ø> (ø)
Go	83.25% <100.00%> (+2.47%)	⬆️

Files with missing lines	Coverage Δ
internal/rootcoord/create_db_task.go	84.21% <100.00%> (ø)

... and 256 files with indirect coverage changes

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• Flaky Tests Detection - Detect and resolve failed and flaky tests

[mergify]

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