Replace JsonCli tool with direct nupkg parsing and native dotnet new (#4947)

* Use .NET list and properties to parse C# template.

* Remove uneeded shims

* Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* PR feedback

---------

Co-authored-by: Nathan Turinski <naturins@microsoft.comm>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 3 people

.azure-pipelines/1esmain.yml

@@ -51,7 +51,7 @@ extends:
       credscan:
         suppressionsFile: $(Build.SourcesDirectory)/.azure-pipelines/compliance/CredScanSuppressions.json
       codeql:
-        language: javascript # only build a codeql database for javascript, since the jsoncli pipeline handles csharp
+        language: javascript
       #   enabled: true # TODO: would like to enable only on scheduled builds but CodeQL cannot currently be disabled per https://eng.ms/docs/cloud-ai-platform/devdiv/one-engineering-system-1es/1es-docs/codeql/1es-codeql
     pool:
       name: VSEngSS-MicroBuild2022-1ES # Name of your hosted pool

.vscode/settings.json

@@ -7,9 +7,6 @@
     "editor.formatOnSave": true,
     "editor.insertSpaces": true,
     "editor.tabSize": 4,
-    "files.exclude": {
-        "tools/JsonCli/src/**": true
-    },
     "files.insertFinalNewline": true,
     "files.trimTrailingWhitespace": true,
     "search.exclude": {