fix repeat load registryFactory

[RainYuY]

What is the purpose of the change?

Checklist

• Make sure there is a GitHub_issue field for the change.
• Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• Write necessary unit-test to verify your logic correction. If the new feature or significant change is committed, please remember to add sample in dubbo samples project.
• Make sure gitHub actions can pass. Why the workflow is failing and how to fix it?

[RainYuY]

PTAL @AlbumenJ

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.79%. Comparing base (3e5216f) to head (6a4ab32).

Additional details and impacted files

@@            Coverage Diff            @@
##                3.3   #15221   +/-   ##
=========================================
  Coverage     60.78%   60.79%           
- Complexity    10890    10896    +6     
=========================================
  Files          1885     1885           
  Lines         86072    86069    -3     
  Branches      12892    12892           
=========================================
+ Hits          52319    52322    +3     
+ Misses        28306    28303    -3     
+ Partials       5447     5444    -3     

Flag	Coverage Δ
integration-tests	33.14% <ø> (+0.06%)	⬆️
samples-tests	29.22% <ø> (+0.02%)	⬆️
unit-tests	58.90% <ø> (-0.03%)	⬇️

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