Improvements to settings page

[isc-pbarton]

Resolves #856
Resolves #857
Resolves #858

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 49.77%. Comparing base (ea38138) to head (6651157).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #861   +/-   ##
=======================================
  Coverage   49.77%   49.77%           
=======================================
  Files          24       24           
  Lines        3281     3281           
=======================================
  Hits         1633     1633           
  Misses       1648     1648           

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