add grpc request and response to entry (#507)
* add grpc request and response to entry
* Formatting code
* add request and response when using middleware
* Formatting code
* rename response method to getResponsePayload
* add grpc request and response to entry
* Formatting code
* add request and response when using middleware
* Formatting code
* rename response method to getResponsePayload
* Formatting code
* Optimize code
* Optimize code
* Optimize code
* Optimize code
* Optimize
* Fix return statement in TelescopeMiddleware
* Refactor TelescopeMiddleware to return payload instead of an empty string
* Refactor TelescopeMiddleware to simplify getRequestPayload method
* Refactor getRequestPayload method in RequestHandledListener
* Refactor GrpcCoreMiddlewareAspect to handle request and response payloads
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Co-authored-by: guandeng <[email protected]>
Co-authored-by: Deeka Wong <[email protected]>
