Update nacosserviceregistry.go

[jthann]

fix nacos sservice registry for deadloop bug. https://github.com/megaease/easegress/issues/477

[samutamm]

@jthann I think the indentation might be broken.. Could you please run make fmt command locally and commit the changes. ^^

[codecov-commenter]

Codecov Report

Merging #478 (be820c5) into main (76f8f86) will increase coverage by 0.13%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #478      +/-   ##
==========================================
+ Coverage   80.11%   80.25%   +0.13%     
==========================================
  Files          83       83              
  Lines        9631     9676      +45     
==========================================
+ Hits         7716     7765      +49     
+ Misses       1469     1468       -1     
+ Partials      446      443       -3     

Impacted Files	Coverage Δ
pkg/filter/headertojson/headertojson.go	72.54% <0.00%> (-7.46%)	⬇️
pkg/object/mqttproxy/client.go	79.63% <0.00%> (-0.91%)	⬇️
pkg/object/meshcontroller/spec/spec.go	87.07% <0.00%> (-0.13%)	⬇️
pkg/cluster/cluster.go	52.89% <0.00%> (+1.02%)	⬆️
pkg/filter/validator/basicauth.go	78.89% <0.00%> (+8.42%)	⬆️

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[jthann]

@jthann I think the indentation might be broken.. Could you please run make fmt command locally and commit the changes. ^^

fixed and commit again