Update appveyor.yml for net6 global.json

appveyor.yml

@@ -38,7 +38,7 @@ init:
         $env:JAVA_HOME = "C:\Program Files\Java\jdk17"
         $env:PATH += ";JAVA_HOME\bin"
       }
-  - ps: iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
+  #- ps: iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
 
 # scripts that run after cloning repository
 install:
@@ -112,7 +112,8 @@ before_build:
   - echo Creating %RELEASE_NAME%-src.zip artefact from projects folder
   - call build-third-party-license.bat
   - 7z a -tzip -r -x!.git "c:\projects\sonnet\%RELEASE_NAME%-src.zip" c:\projects\*
-  - choco install dotnet-6.0-sdk
+  # Add global.json for SonnetWrapper for build error NETSDK1145
+  - echo { "sdk": { "version": "6.0.0", "rollForward": "latestMinor" } } > MSVisualStudio\v17\SonnetWrapper\global.json
   - nuget restore MSVisualStudio\v17\Sonnet.sln
   - if not "%sonar_token%"=="" ( SonarScanner.MSBuild.exe begin /k:"%RELEASE_NAME%" /d:"sonar.host.url=https://sonarcloud.io" /d:"sonar.login=%sonar_token%" /o:"jhmgoossens" /d:sonar.c.file.suffixes=- /d:sonar.cpp.file.suffixes=- /d:sonar.objc.file.suffixes=- )