(GH-802) PowerShell Host - Exit codes should return

When running any exit code, ensure that the PowerShell host also
receives the error so that it can exit properly.

src/chocolatey.resources/helpers/chocolateyScriptRunner.ps1

@@ -58,4 +58,8 @@ if ($env:ChocolateyExitCode -ne $null -and $env:ChocolateyExitCode -ne '') {
  $exitCode = $env:ChocolateyExitCode
 }
 
+if ($exitCode -ne 0) {
+  Set-PowerShellExitCode $exitCode
+}
+
 Exit $exitCode

src/chocolatey.resources/helpers/functions/Set-PowerShellExitCode.ps1

@@ -45,6 +45,11 @@ param (
   [parameter(ValueFromRemainingArguments = $true)][Object[]] $ignoredArguments
 )
 
-  $host.SetShouldExit($exitCode);
+  try {
+    $host.SetShouldExit($exitCode);  
+  } catch {
+    Write-Warning "Unable to set host exit code"
+  }
+
   $env:ChocolateyExitCode = $exitCode;
 }