Fix an issue where the ESXiPlugin shows a confusing warning when constructing the local fs

[Miauwkeru]

The following warning was logged every time that the local_tgz tar file was successfully decrypted

"local.tgz is encrypted but static decryption failed and no dynamic decryption available!"

Now this warning is moved so it only shows when it isn't run on a local target.

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 79.95%. Comparing base (bce7017) to head (4fbb940). :warning: Report is 23 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1332   +/-   ##
=======================================
  Coverage   79.95%   79.95%           
=======================================
  Files         374      374           
  Lines       33304    33304           
=======================================
  Hits        26629    26629           
  Misses       6675     6675           

Flag	Coverage Δ
unittests	79.95% <100.00%> (ø)

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