[ISSUE #10830] fix(common): preserve hyphens in DLedger peer addresses

[yuluo-yx]

Which Issue(s) This PR Fixes

• Fixes ControllerConfig truncates DLedger peer addresses containing hyphens #10830

Brief Description

Split DLedger peer entries only once so addresses containing hyphens are returned intact.

How Did You Test This Change?

• mise x java@temurin-17 -- mvn -pl common -Dtest=ControllerConfigTest test

[codecov-commenter]

Codecov Report

❌ Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 48.35%. Comparing base (fd0c959) to head (de79d54).

Files with missing lines	Patch %	Lines
...a/org/apache/rocketmq/common/ControllerConfig.java	66.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop   #10840      +/-   ##
=============================================
- Coverage      48.37%   48.35%   -0.03%     
+ Complexity     13555    13538      -17     
=============================================
  Files           1380     1380              
  Lines         101165   101166       +1     
  Branches       13127    13127              
=============================================
- Hits           48940    48920      -20     
- Misses         46250    46254       +4     
- Partials        5975     5992      +17     

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[RockteMQ-AI]

LGTM. Correct fix — using split(":", 2) preserves hyphens in DLedger peer addresses (e.g., n0-10911:n1-10912). The previous unbounded split would break addresses containing colons in the peer identifier.

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