fix: Fix failed AWS credential load from '~/.aws/credentials' due to formatting

[nameexhaustion]

As it turns out, this functionality was already there (ref #13062) - it's just that it failed to load if the credential lines didn't have space padding 😄. But now we will be able to load them regardless of spaces.

Fixes #18254

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.24%. Comparing base (1dc2533) to head (39f07ea).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #18259   +/-   ##
=======================================
  Coverage   80.23%   80.24%           
=======================================
  Files        1500     1500           
  Lines      198889   198892    +3     
  Branches     2837     2837           
=======================================
+ Hits       159573   159595   +22     
+ Misses      38789    38770   -19     
  Partials      527      527           

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[ritchie46]

As it turns out, this functionality was already there (ref #13062)

Always nice if my former self helped. ^^