Housekeeping - Update Spelling and minor code fixes

[ChrisPulman]

What kind of change does this PR introduce?

Update

What is the current behavior?

Code has spelling errors

What is the new behavior?

Fixed ReactiveUI main project spelling

What might this PR break?

none expected

Please check if the PR fulfills these requirements

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Other information:

[codecov]

Codecov Report

Attention: 13 lines in your changes are missing coverage. Please review.

Comparison is base (0a61f2a) 64.07% compared to head (716d1de) 58.58%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3649      +/-   ##
==========================================
- Coverage   64.07%   58.58%   -5.49%     
==========================================
  Files         158      158              
  Lines        5762     5829      +67     
  Branches        0     1030    +1030     
==========================================
- Hits         3692     3415     -277     
+ Misses       2070     2030      -40     
- Partials        0      384     +384     

Files	Coverage Δ
...rc/ReactiveUI.Winforms/ActivationForViewFetcher.cs	67.44% <ø> (-6.98%)	⬇️
...activeUI.Winforms/CreatesWinformsCommandBinding.cs	87.03% <ø> (-7.41%)	⬇️
...rvableCollectionChangedToListChangedTransformer.cs	0.00% <ø> (ø)
src/ReactiveUI.Winforms/ReactiveUserControl.cs	37.50% <ø> (-12.50%)	⬇️
src/ReactiveUI.Winforms/RoutedViewHost.cs	86.84% <ø> (-5.27%)	⬇️
src/ReactiveUI.Winforms/ViewModelViewHost.cs	90.19% <ø> (-2.95%)	⬇️
...I.Winforms/WinformsCreatesObservableForProperty.cs	74.28% <ø> (-8.58%)	⬇️
...iveUI.Wpf/DependencyObjectObservableForProperty.cs	64.28% <ø> (-10.72%)	⬇️
...rc/ReactiveUI.XamForms/ActivationForViewFetcher.cs	44.11% <ø> (-4.91%)	⬇️
src/ReactiveUI.XamForms/RoutedViewHost.cs	93.18% <ø> (-3.98%)	⬇️
... and 26 more

... and 51 files with indirect coverage changes

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[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.