Inputs: Add typography customization

[danielchalmers]

Description

Adds Typo.input so you can control the default input typography like you can do with Typo.button, then uses that as the default for the new Typo property in MudBaseInput.

This only applies to inputs and not controls like Check Box or Switch because they use body1.

Uses the lh unit which raises browser support level but significantly simplifies the line height. To ease the maintenance burden and set expectations, I added a note to the README about staying up to date so that we aren't tied down to ancient versions. Note: Blazor only supports the latest browser versions.

Resolves #8337

I think the ideal solution might be to scale the entire input up with relative units, but this implementation fits in with our current approach.

How Has This Been Tested?

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

Text Field example:

Checklist

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

[danielchalmers]

I need to know if this is on the right track and which controls I should apply this to. Check Box, Switch, etc?

[danielchalmers]

@jperson2000 Would love to know what you think

[codecov]

Codecov Report

Attention: Patch coverage is 93.75000% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 90.05%. Comparing base (28bc599) to head (9236bd9).
Report is 127 commits behind head on dev.

Files	Patch %	Lines
...Components/ThemeProvider/MudThemeProvider.razor.cs	87.50%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #8754      +/-   ##
==========================================
+ Coverage   89.82%   90.05%   +0.22%     
==========================================
  Files         412      421       +9     
  Lines       11878    12302     +424     
  Branches     2364     2438      +74     
==========================================
+ Hits        10670    11078     +408     
+ Misses        681      670      -11     
- Partials      527      554      +27     

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[henon]

Will the default typography of textfields stay the same as before? In other words, is this visually breaking?

[danielchalmers]

Will the default typography of textfields stay the same as before? In other words, is this visually breaking?

@henon Everything stays the same, the styles are just moved to --mud-typography-input so they can be customized through the theme provider or the new Typo property.

[henon]

Thanks!