perf(authz): skip network calls with empty resource iterable

[davidlougheed]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 99.82%. Comparing base (221a856) to head (149e725).
⚠️ Report is 173 commits behind head on master.

Files with missing lines	Patch %	Lines
bento_lib/auth/middleware/base.py	50.00%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##            master     #307      +/-   ##
===========================================
- Coverage   100.00%   99.82%   -0.18%     
===========================================
  Files           74       74              
  Lines         2230     2236       +6     
  Branches       211      213       +2     
===========================================
+ Hits          2230     2232       +2     
- Misses           0        2       +2     
- Partials         0        2       +2     

Files with missing lines	Coverage Δ
bento_lib/auth/middleware/base.py	96.66% <50.00%> (-3.34%)	⬇️

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