Enable lint enforcement on e2e tests and fix the existing errors

[ozyx]

Closes #5124

Describe your changes:

We have rules defined for linting our e2e tests, but we weren't actually running eslint against the e2e folder. As a result, local and CI runs of npm run lint were not picking up any incoming rule violations.

This PR adds the e2e folder to our npm lint scripts and either fixes or excepts all of the "new" errors.

All Submissions:

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Is this change backwards compatible? For example, developers won't need to change how they are calling the API or how they've extended core plugins such as Tables or Plots.

Author Checklist

• Changes address original issue?
• Unit tests included and/or updated with changes?
• Command line build passes?
• Has this been smoke tested?
• Testing instructions included in associated issue OR is this a dependency/testcase change?

Reviewer Checklist

• Changes appear to address issue?
• Changes appear not to be breaking changes?
• Appropriate unit tests included?
• Code style and in-line documentation are appropriate?
• Commit messages meet standards?
• Has associated issue been labelled unverified? (only applicable if this PR closes the issue)
• Has associated issue been labelled bug? (only applicable if this PR is for a bug fix)

[codecov]

Codecov Report

Merging #5229 (f5612e0) into master (85fce3c) will increase coverage by 0.11%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5229      +/-   ##
==========================================
+ Coverage   50.07%   50.18%   +0.11%     
==========================================
  Files         546      546              
  Lines       20071    20071              
  Branches     1859     1859              
==========================================
+ Hits        10050    10073      +23     
+ Misses       9543     9513      -30     
- Partials      478      485       +7     

Impacted Files	Coverage Δ
src/plugins/imagery/components/ImageryView.vue	33.83% <ø> (ø)
src/ui/inspector/details/Properties.vue	61.40% <0.00%> (-14.04%)	⬇️
src/ui/inspector/Location.vue	59.37% <0.00%> (-3.13%)	⬇️
src/plugins/timeConductor/ConductorHistory.vue	48.93% <0.00%> (-2.13%)	⬇️
src/plugins/duplicate/DuplicateAction.js	31.91% <0.00%> (-2.13%)	⬇️
src/plugins/move/MoveAction.js	52.11% <0.00%> (-1.41%)	⬇️
src/ui/router/Browse.js	86.48% <0.00%> (-1.36%)	⬇️
...c/plugins/persistence/couch/CouchObjectProvider.js	82.22% <0.00%> (+0.44%)	⬆️
src/api/time/IndependentTimeContext.js	81.57% <0.00%> (+1.31%)	⬆️
src/api/composition/CompositionCollection.js	88.04% <0.00%> (+2.17%)	⬆️
... and 4 more

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