Various small corrections

[bart-degreed]

Various small corrections that I found while updating MongoDB to v5.

QUALITY CHECKLIST

• Changes implemented in code
• Complies with our contributing guidelines
• Adapted tests
• N/A: Documentation updated
• N/A: Created issue to update Templates: {ISSUE_NUMBER}

[codecov]

Codecov Report

Merging #1131 (b13c4ff) into master (510172b) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1131   +/-   ##
=======================================
  Coverage   89.45%   89.45%           
=======================================
  Files         242      242           
  Lines        7209     7209           
=======================================
  Hits         6449     6449           
  Misses        760      760           

Impacted Files	Coverage Δ
src/JsonApiDotNetCore/Configuration/TypeLocator.cs	89.74% <100.00%> (ø)

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