Faster isNotEmpty on collection

[teresy]

Ultimate problem:

Looks like this can be isNotEmpty instead (https://www.dartlang.org/guides/language/effective-dart/usage#dont-use-length-to-see-if-a-collection-is-empty)

How it was fixed:

Uses isNotEmpty check.

Testing suggestions:

CI/tests pass.

Potential areas of regression:

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FYA: @greglittlefield-wf @aaronlademann-wf @kealjones-wk @evanweible-wf @maxwellpeterson-wf

[aviary3-wk]

Security Insights

No security relevant content was detected by automated scans.

Action Items

• Review PR for security impact; comment "security review required" if needed or unsure
• Verify aviary.yaml coverage of security relevant code

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Questions or Comments? Reach out on HipChat: InfoSec Forum.

[codecov-io]

Codecov Report

Merging #188 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master     #188   +/-   ##
=======================================
  Coverage   94.44%   94.44%           
=======================================
  Files          34       34           
  Lines        1617     1617           
=======================================
  Hits         1527     1527           
  Misses         90       90

[aaronlademann-wf]

+1

Thanks for the contribution @teresy !!!