refactor: transfer funds to add progress stream

[azerpas]

I've thought about adding some kind of progress stream on the transfer funds which duration can last a few seconds to add some feedback during the operation on bourso-desktop.

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 33.55%. Comparing base (d9664f5) to head (3b502ed).
⚠️ Report is 7 commits behind head on main.
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Additional details and impacted files

@@           Coverage Diff           @@
##             main      #49   +/-   ##
=======================================
  Coverage   33.55%   33.55%           
=======================================
  Files           9        9           
  Lines         304      304           
=======================================
  Hits          102      102           
  Misses        202      202           

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