fix(video): base min frame time strictly on client framerate

[ReenigneArcher]

Description

This PR makes the minimum_frame_time calculation based strictly on the client requested framerate.

Client Framerate	minimum_frame_time	static FPS
30	33ms	23
60	16ms	33
90	11ms	55
120	8ms	64

TODO:

• remove/update min_fps_factor from UI and config

Optionally:

• allow multiplying the client requested framerate by up to 2

Screenshot

Issues Fixed or Closed

• Closes fix(config): increase range for min_fps_factor #3715
• Resolves Frame rate drops when idle #3419

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

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 11.51%. Comparing base (808a862) to head (d30f9d4).

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/video.cpp	0.00%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3844   +/-   ##
=======================================
  Coverage   11.51%   11.51%           
=======================================
  Files          92       92           
  Lines       17493    17493           
  Branches     8152     8152           
=======================================
  Hits         2015     2015           
  Misses      12981    12981           
  Partials     2497     2497           

Flag	Coverage Δ
Linux	11.14% <0.00%> (ø)
Windows	13.00% <0.00%> (ø)

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

Files with missing lines	Coverage Δ
src/video.cpp	21.44% <0.00%> (ø)

[codecov]

Bundle Report

Bundle size has no change ✅

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud