fix: fix muxed account handling in Address class.

[overcat]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 90.90909% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 81.11%. Comparing base (93f044f) to head (74ecd7d).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/main/java/org/stellar/sdk/Address.java	90.90%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #733      +/-   ##
============================================
+ Coverage     81.04%   81.11%   +0.06%     
- Complexity     1321     1322       +1     
============================================
  Files           214      214              
  Lines          5071     5078       +7     
  Branches        435      435              
============================================
+ Hits           4110     4119       +9     
+ Misses          705      703       -2     
  Partials        256      256              

Files with missing lines	Coverage Δ
src/main/java/org/stellar/sdk/Address.java	81.18% <90.90%> (+3.52%)	⬆️

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.