fix: Rollback Release 115.0.0 and fix issue

[elribonazo]

Explanation

Fixes https://github.com/MetaMask/metamask-sdk/actions/runs/17594615305/job/49985563570

sdk-multichain-ui is a package that we have never released and that must have 0.0.0.

References

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've highlighted breaking changes using the "BREAKING" category above as appropriate

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.93%. Comparing base (0cd04ee) to head (f89bfb7).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1344   +/-   ##
=======================================
  Coverage   74.93%   74.93%           
=======================================
  Files         184      184           
  Lines        4513     4513           
  Branches     1105     1105           
=======================================
  Hits         3382     3382           
  Misses       1131     1131           

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud