MudProgressLinear: fix XMLDoc of Value parameter

[markushaslinger]

Description

The Value parameter used the same XMLDoc summary/description as the Max parameter. Changed that to describe what value should be set for this parameter: the current one to display, which should be between min & max.

Type of Changes

• [ ] 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)
• [x] Documentation (fix or improvement to the website or code docs)

Checklist

• [x] The PR is submitted to the correct branch (dev).
• [x] My code follows the code style of this project.
• [ ] I've added relevant tests.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 90.11%. Comparing base (28bc599) to head (51efe62). Report is 112 commits behind head on dev.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #8803 +/- ## ========================================== + Coverage 89.82% 90.11% +0.28% ========================================== Files 412 420 +8 Lines 11878 12206 +328 Branches 2364 2407 +43 ========================================== + Hits 10670 10999 +329 + Misses 681 664 -17 - Partials 527 543 +16 ```

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[henon]

Thanks!