fix: type error in tenant menu when current tenant is null

[thapacodes4u]

Why this PR?

This PR is for fixing the bug in another package (DataLinx/eclipsephp-cms-plugin#2)

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.33%. Comparing base (a405c8c) to head (83942d9).

Additional details and impacted files

@@            Coverage Diff            @@
##               main      #27   +/-   ##
=========================================
  Coverage     72.33%   72.33%           
  Complexity      302      302           
=========================================
  Files            55       55           
  Lines          1912     1912           
=========================================
  Hits           1383     1383           
  Misses          529      529           

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