[build]Update to .net 6 framework and VS 2022 (#15741)

* Update release.yml

* Update ColorPickerUI.csproj

* Update release.yml

adding in .net6 sdk and moving stuff sooner

* Update release.yml

* Update release.yml

* fixing test

* Forcing vs17 and adding in .net 6 sdk

* forcing pool

* fixing issues in each pipeline

* moving release .net up

* fixing diff on agent version for nuget installer

* Removing system.text.json.dll as included now

* getting unit tests it looks like to work

* updating everythign to .net 6 minus wxs for runtime

* unit test still have

* getting 6.0 stuff up and going.  Terminal Unit tests have file max length issue ....

* found i think the last .net 5 issue

* looks like i wasn't aggressive enough with the 6.0 upgrade

* Getting stuff .net 6 buildable again

* tweaking with new stuff for installer

* Update newly added merged projects to .net 6

* Fix HeatDirectory bug on VS 2022

* Settings still needs JSON dependency

* Revert "getting 6.0 stuff up and going.  Terminal Unit tests have file max length issue ...."

This reverts commit b9cb4586dc.

* Update sln version

* supress obsolete warning, since this is not a new development

* Partially Revert "Getting stuff .net 6 buildable again"

This reverts commit 42b4201c6b.

* supress another obsolete warning, since this is not a new development

* Reduce the unit test project name to avoid MAX PATH in CI

* Upgrade project's toolset in the main solution

* Some TODOs to review HttpClient usage

* Upgrade project toolsets from other solutions

* Install .net 6 instead of .net 5

* Fix issue when disabling PowerToys Run on .net framework 6

* Update docs for Visual Studio 2022

* PR comments: manually upgrade missing VS 2019 references

* Discard no discard values to solve compiler warnings

Co-authored-by: Jaime Bernardo <jaime@janeasystems.com>

src/modules/previewpane/UnitTests-PreviewHandlerCommon/UnitTests-PreviewHandlerCommon.csproj

@@ -17,7 +17,7 @@
   <PropertyGroup>
     <ProjectGuid>{748417CA-F17E-487F-9411-CAFB6D3F4877}</ProjectGuid>
     <RootNamespace>PreviewHandlerCommonUnitTests</RootNamespace>
-    <TargetFramework>net5.0-windows</TargetFramework>
+    <TargetFramework>net6.0-windows</TargetFramework>
     <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
     <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\$(VisualStudioVersion)\UITestExtensionPackages</ReferencePath>