TreeView: Add disabled style

[danielchalmers]

Description

Like MudList

Consolidates the Hover and Dense styles into a Basic Customization example, then adds a Disabled option to it.

Adds a note to the ExpandOnClick example about how to control the ripple.

How Has This Been Tested?

visually

Types 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)

Checklist

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.06%. Comparing base (28bc599) to head (9d21e5c).
Report is 56 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #8707      +/-   ##
==========================================
+ Coverage   89.82%   90.06%   +0.23%     
==========================================
  Files         412      418       +6     
  Lines       11878    12049     +171     
  Branches     2364     2365       +1     
==========================================
+ Hits        10670    10852     +182     
+ Misses        681      661      -20     
- Partials      527      536       +9     

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[henon]

Awesome. Can you revert the examples completely because I did the same in my PR and then I'll have to resolve the conflict. Here is what I did:

[henon]

I added your description about Disabled to my usage example already.

[henon]

Revert all changes to examples

[henon]

As for checkbox vs check box, I'd say we should go for the former as does wikipedia: https://en.wikipedia.org/wiki/Checkbox

[danielchalmers]

@henon Reverted examples!

BTW: Check Box

[henon]

@henon Reverted examples!

Thanks!

BTW: Check Box

I think we'll change that. I noticed it just now because resharper showed "check box" as spelling error. Then I looked it up.