[Enhancement] Method stores return result in local before immediately returning it [AbstractRemotingServer]

[Alonexc]

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• I had searched in the issues and found no similar issues.

Enhancement Request

located at:
eventmesh-runtime/src/main/java/org/apache/eventmesh/runtime/boot/AbstractRemotingServer.java line 45,60,72,77
analysis and explanation:
This method stores the return result in a local variable, and then immediately returns the local variable. It would be simpler just to return the value that is assigned to the local variable

Describe the solution you'd like

1. Returns the value assigned to the local variable directly.
2. Field 'count' may be 'final'
   reference:
   

Are you willing to submit PR?

• Yes I am willing to submit a PR!

[jonyangx]

I'd like to fix it.