fix: ensure user prefs return correct values

[ReenigneArcher]

Description

If a value was set to a non default value, the prefs kit would still return the default value.

Screenshot

Issues Fixed or Closed

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Dependency update (updates to dependencies)
• Documentation update (changes to documentation)
• Repository update (changes to repository files, e.g. .github/...)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated the in code docstring/documentation-blocks for new or existing methods/components

Branch Updates

LizardByte requires that branches be up-to-date before merging. This means that after any PR is merged, this branch
must be updated before it can be merged. You must also
Allow edits from maintainers.

• I want maintainers to keep my branch updated

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.76%. Comparing base (5e21cdf) to head (ae9dc9c).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #298      +/-   ##
==========================================
- Coverage   78.77%   78.76%   -0.01%     
==========================================
  Files          24       24              
  Lines        2869     2863       -6     
==========================================
- Hits         2260     2255       -5     
+ Misses        609      608       -1     

Flag	Coverage Δ
Python-2.7-Linux	78.76% <ø> (-0.01%)	⬇️
Python-2.7-Windows	?
Python-2.7-macOS	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
plexhints/prefs_kit.py	85.63% <ø> (+0.07%)	⬆️