feat: fully compatible with opentracing

[sysulq]

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Does this pull request fix one issue?

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Special notes for reviews

[codecov]

Codecov Report

Attention: Patch coverage is 45.52846% with 67 lines in your changes missing coverage. Please review.

Project coverage is 48.70%. Comparing base (0c6a456) to head (e5e9358).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/core/xtrace/propagation.go	38.37%	38 Missing and 15 partials ⚠️
pkg/server/xecho/middleware.go	50.00%	3 Missing and 1 partial ⚠️
pkg/store/gorm/interceptor.go	0.00%	3 Missing and 1 partial ⚠️
pkg/server/xgrpc/interceptor.go	57.14%	3 Missing ⚠️
pkg/client/rocketmq/interceptor.go	33.33%	2 Missing ⚠️
pkg/client/resty/resty.go	83.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1170      +/-   ##
==========================================
- Coverage   48.80%   48.70%   -0.11%     
==========================================
  Files         235      236       +1     
  Lines       12938    13025      +87     
==========================================
+ Hits         6315     6344      +29     
- Misses       6146     6185      +39     
- Partials      477      496      +19     

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[sysulq]

Refer to https://github.com/open-telemetry/opentelemetry-go-contrib/blob/main/propagators/jaeger/jaeger_propagator.go