fix(Typescript,Transfer): getSuccessfulTransfers return type

[theroncross]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.82%. Comparing base (dccd2a2) to head (d70441b).
⚠️ Report is 12 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #819   +/-   ##
=======================================
  Coverage   95.82%   95.82%           
=======================================
  Files          87       87           
  Lines        1771     1771           
  Branches      294      293    -1     
=======================================
  Hits         1697     1697           
  Misses         73       73           
  Partials        1        1           

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