metadata mapping reported using registry config

[binbin0325]

What this PR does:
local mode, metadata mapping is reported using registration information
Which issue(s) this PR fixes:

Fixes #1610

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[LaurenceLiZhixin]

需要在config pkg下增加 import _ "xxx/metadata-report/nacos" 类似的依赖，保证单测通过 @sanxun0325

[codecov-commenter]

Codecov Report

Merging #1611 (dd0efbf) into 3.0 (cc201e9) will decrease coverage by 0.26%.
The diff coverage is 27.37%.

❗ Current head dd0efbf differs from pull request most recent head 9ccc69f. Consider uploading reports for the commit 9ccc69f to get more accurate results

@@            Coverage Diff             @@
##              3.0    #1611      +/-   ##
==========================================
- Coverage   41.20%   40.93%   -0.27%     
==========================================
  Files         250      252       +2     
  Lines       14264    14441     +177     
==========================================
+ Hits         5877     5912      +35     
- Misses       7703     7848     +145     
+ Partials      684      681       -3     

Impacted Files	Coverage Δ
common/rpc_service.go	87.43% <ø> (ø)
config/config_loader.go	13.69% <0.00%> (-0.39%)	⬇️
config/consumer_config.go	21.42% <0.00%> (-3.32%)	⬇️
config/metadata_report_config.go	22.50% <0.00%> (-0.29%)	⬇️
config/reference_config.go	0.00% <0.00%> (ø)
config/tracing_config.go	0.00% <0.00%> (ø)
filter/accesslog/filter.go	32.77% <0.00%> (-0.57%)	⬇️
remoting/zookeeper/listener.go	0.00% <0.00%> (ø)
config/provider_config.go	19.58% <7.69%> (-5.07%)	⬇️
protocol/dubbo3/dubbo3_protocol.go	59.01% <14.28%> (-9.26%)	⬇️
... and 29 more

---

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 03cf5fd...9ccc69f. Read the comment docs.