feat: webui nav sidebar dropdown text changes

[JComins000]

Description

Changing some surface level text to raise clarity on the sidebar dropdown

Test Plan

Commentary (optional)

Checklist

• Changes have been manually QA'd
• User-facing API changes need the "User-facing API Change" label.
• Release notes should be added as a separate file under docs/release-notes/.
  See Release Note for details.
• Licenses should be included for new code which was copied and/or modified from any external code.

Ticket

INFENG-547

[netlify]

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Name	Link
🔨 Latest commit	c3106ba
🔍 Latest deploy log	https://app.netlify.com/sites/determined-ui/deploys/66049137960f2f0008bd1532

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 40.59%. Comparing base (18dd29e) to head (c3106ba).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9063      +/-   ##
==========================================
- Coverage   47.16%   40.59%   -6.57%     
==========================================
  Files        1150      829     -321     
  Lines      141674   102498   -39176     
  Branches     2415     2415              
==========================================
- Hits        66814    41614   -25200     
+ Misses      74670    60694   -13976     
  Partials      190      190              

Flag	Coverage Δ
harness	?
web	38.96% <66.66%> (ø)

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

Files	Coverage Δ
webui/react/src/components/ThemeToggle.tsx	100.00% <100.00%> (ø)
webui/react/src/components/UserSettings.tsx	83.84% <100.00%> (ø)
webui/react/src/components/NavigationSideBar.tsx	0.00% <0.00%> (ø)

... and 321 files with indirect coverage changes

[hkang1]

The code looks good and IMO the label changes are good. Not 100% sure about Day Theme and Night Theme though, I think the standard around that is still Dark Mode and Light Mode.

[ashtonG]

approved pending ci pass

[JComins000]

The code looks good and IMO the label changes are good. Not 100% sure about Day Theme and Night Theme though, I think the standard around that is still Dark Mode and Light Mode.

I mostly need it to say THEME on it. im fine with light and dark if you feel strongly