fix: Only use the salesChannelId if it is set

[zolthan]

Admin password request doesn't have a sales channel ID

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 82.04%. Comparing base (269fd74) to head (e630a71). Report is 25 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #78      +/-   ##
============================================
- Coverage     89.58%   82.04%   -7.55%     
- Complexity       78       90      +12     
============================================
  Files            10       12       +2     
  Lines           240      284      +44     
============================================
+ Hits            215      233      +18     
- Misses           25       51      +26     

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