Add missing yields and other fixes

[awharn]

What It Does

Fixes SonarCloud bugs

How to Test

Review Checklist
I certify that I have:

• tested my changes
• added/updated automated tests
• updated the changelog
• followed the contribution guidelines

Additional Comments

[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (2a4cba2) 91.06% compared to head (52ea428) 91.07%.
Report is 1 commits behind head on master.

Files	Patch %	Lines
...ckages/imperative/src/imperative/src/Imperative.ts	97.29%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2055   +/-   ##
=======================================
  Coverage   91.06%   91.07%           
=======================================
  Files         636      636           
  Lines       18967    18965    -2     
  Branches     3910     3976   +66     
=======================================
- Hits        17273    17272    -1     
+ Misses       1693     1692    -1     
  Partials        1        1           

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[sonarqubecloud]

Quality Gate failed

Failed conditions
48.8% Duplication on New Code (required ≤ 3%)

See analysis details on SonarCloud

[awharn]

Unfortunately, there is no good way to tell if this fixes all the bugs on SonarCloud or not. More work may need to be done after this PR is merged.

[gejohnston]

Don't you hate it when you have to fix our test handlers? Thanks for working through all of them.

[traeok]

LGTM, thanks for these fixes @awharn!

[t1m0thyj]

LGTM, thanks @awharn for fixing these code smells especially the pesky Imperative.init one 😋