bugfix: use service port for naming server control metadata

[skt-shinyruo]

Summary

• use XID.getPort() instead of server.port when registering naming server control metadata in the general and raft instance strategies
• align RaftStateMachine metadata sync paths so leader metadata and current node sync both publish the service port for control
• add regression coverage for the control port behavior and restore shared state in the affected tests

Fixes #8110.

Test Plan

• ./mvnw -pl server -DskipITs -Dtest=GeneralInstanceStrategyTest,RaftServerInstanceStrategyTest,RaftStateMachineTest test

[Copilot]

Pull request overview

This PR fixes how Seata server instances publish their control endpoint port to the naming server by using the Seata service port (XID.getPort()) instead of Spring’s server.port, preventing naming server request forwarding to a non-listening port (Fixes #8110).

Changes:

• Switch control endpoint port selection to XID.getPort() in both General and Raft instance strategies.
• Align Raft leader metadata publishing and current-node metadata sync to publish the service port for control.
• Add/adjust regression tests to validate the control port behavior and restore shared singleton/environment state between tests.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
server/src/main/java/org/apache/seata/server/instance/GeneralInstanceStrategy.java	Publish control endpoint using XID.getPort() instead of server.port.
server/src/main/java/org/apache/seata/server/instance/RaftServerInstanceStrategy.java	Publish control endpoint using XID.getPort() instead of server.port.
server/src/main/java/org/apache/seata/server/cluster/raft/RaftStateMachine.java	Use service port for control metadata in leader metadata and current-node sync paths.
server/src/test/java/org/apache/seata/server/instance/GeneralInstanceStrategyTest.java	New regression test ensuring control endpoint uses service port; restores shared state.
server/src/test/java/org/apache/seata/server/instance/RaftServerInstanceStrategyTest.java	Update regression to assert control endpoint uses service port; restores shared state.
server/src/test/java/org/apache/seata/server/cluster/raft/RaftStateMachineTest.java	Add regression tests validating metadata uses service port for control; cleans up RouteTable and environment.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.81%. Comparing base (b57d96c) to head (b64577e).

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x    #8128      +/-   ##
============================================
+ Coverage     72.79%   72.81%   +0.01%     
  Complexity     1141     1141              
============================================
  Files          1151     1151              
  Lines         42272    42272              
  Branches       5045     5045              
============================================
+ Hits          30773    30780       +7     
+ Misses         9023     9019       -4     
+ Partials       2476     2473       -3     

see 5 files with indirect coverage changes

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