Fixes #3930 - Splits tests to Tests/UnitTests, Tests/IntegrationTests, Tests/StressTests (#3954)

* Tons of API doc updates

* Removed stale test

* Removed stale tests

* Fixed Skipped Shadow test 1

* Fixed Skipped Shadow test 2

* Fixed Skipped Shadow test 3

* Removed stale test

* Removed stale test2

* Explicit unregister of event handler on Application.Driver!.ClearedContents

* Added Toplevels to dict

* code cleanup

* spelling error

* Removed stale test3

* Removed stale test4

* Removed stale test5

* added script

* tweaked script

* tweaked script

* Created StressTests project; moved some tests

* Created IntegrationTests project; moved some tests

* New yml

* made old yml just unit tests

* Tweaked Button_IsDefault_Raises_Accepted_Correctly

* tweaked script

* cleaned up ymls

* tweakled up ymls

* stress tests...

* stress tests on ubuntu only

* Fixed WindowsDriver in InvokeLeakTest

* Fixed WindowsDriver in InvokeLeakTest2

* Added Directory.Packages.props.
Added Directory.Build.props

* Shortened StressTest time

* Removed dupe file.

* DemoFiles

* Moved all tests to ./Tests dir.

* Fixed release build issue

* Fixed .sln file

* Fixed .sl* files

* Fixing ymls

* Fixing interation tests

* Create link to the file TestHelpers.

* Created Tests/UnitTestsParallelizable.
Moved all obviously parallelizable tests.
Updated yml.

* fixing logs

* fixing logs2

* fixing logs3

* don't require stress to pass for PRs

* Fix a failure?

* tweaked script

* Coudl this be it?

* Moved tons of tests to parallelizable

* Fixed some stuff

* Script to find duplicate tests

* Testing workflows

* Updated to v4

* Fix RelativeBasePath issue

* Replace powershell to pwsh

* Add ignore projects.

* Removed dupe unit tests

* Code cleanup of tests

* Cleaned up test warnings

* yml tweak

* Moved setter

* tweak ymls

* just randomly throwing spaghetti at a wall

* Enable runing 5 test runners in par

* Turned off DEBUG_DISPOSABLE for par tests

* RunningUnitTests=true

* code cleanup (forcing more Action runs)

* DISABLE_DEBUG_IDISPOSABLE

* Added View.DebugIDisposable. False by default.

* Remobed bogus tareet

* Remobed bogus tareet2

* fixed warning

* added api doc

* fixed warning

* fixed warning

* fixed warning2

* fixed warning3

* fixed warning4

---------

Co-authored-by: BDisp <bd.bdisp@gmail.com>

CommunityToolkitExample/CommunityToolkitExample.csproj

@@ -2,14 +2,12 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="CommunityToolkit.Mvvm" Version="[8.2.2,9)" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="[8,9)" />
+    <PackageReference Include="CommunityToolkit.Mvvm" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" />
     <ProjectReference Include="..\Terminal.Gui\Terminal.Gui.csproj" />
   </ItemGroup>