fix local registry

[leizhiyuan]

Motivation:

fix when there are some settings in local registry for extends

Modification:

Describe the idea and modifications you've done.

Result:

Fixes #.

If there is no issue then describe the changes introduced by this PR.

[codecov]

Codecov Report

Merging #115 into master will not change coverage.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master     #115   +/-   ##
=========================================
  Coverage     54.85%   54.85%           
  Complexity      393      393           
=========================================
  Files            53       53           
  Lines          1741     1741           
  Branches        310      310           
=========================================
  Hits            955      955           
  Misses          606      606           
  Partials        180      180

Impacted Files	Coverage Δ	Complexity Δ
...ay/sofa/rpc/boot/config/LocalFileConfigurator.java	78.57% <100%> (ø)	5 <1> (ø)	⬇️
...fa/rpc/boot/container/RegistryConfigContainer.java	46.55% <100%> (ø)	9 <0> (ø)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update feb9084...498a087. Read the comment docs.