fix:fix reporting bug when port is -1.

[SkyeBeFreeman]

PR Type

Bugfix.

Describe what this PR does for and how you did.

Adding the issue link (#xxx) if possible.

fixes #981

Note

Checklist

• Add information of this PR to CHANGELOG.md in root of project.
• Add documentation in javadoc or comment below the PR if necessary.

Checklist (Optional)

• Will pull request to branch of 2020.0.
• Will pull request to branch of 2022.0.

[codecov]

Codecov Report

Merging #1038 (e32a38b) into 2021.0 (0dd00d5) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             2021.0    #1038      +/-   ##
============================================
+ Coverage     83.08%   83.11%   +0.02%     
- Complexity     1615     1619       +4     
============================================
  Files           240      240              
  Lines          5340     5354      +14     
  Branches        625      627       +2     
============================================
+ Hits           4437     4450      +13     
- Misses          550      551       +1     
  Partials        353      353              

Impacted Files	Coverage Δ
...oud/rpc/enhancement/feign/EnhancedFeignClient.java	100.00% <100.00%> (ø)
.../rpc/enhancement/plugin/EnhancedPluginContext.java	100.00% <100.00%> (ø)
.../resttemplate/EnhancedRestTemplateInterceptor.java	100.00% <100.00%> (ø)
...c/enhancement/scg/EnhancedGatewayGlobalFilter.java	97.36% <100.00%> (+0.14%)	⬆️
...lient/EnhancedWebClientExchangeFilterFunction.java	100.00% <100.00%> (ø)

... and 2 files with indirect coverage changes