[Windows] Fix platform conditions by adding brackets (#3856)

images/win/scripts/Installers/Install-DotnetSDK.ps1

@@ -32,7 +32,7 @@ function Invoke-Warmup (
 function Fix-ImportPublishProfile (
     $SdkVersion
 ) {
-    if (Test-IsWin16 -or Test-IsWin19) {
+    if ((Test-IsWin16) -or (Test-IsWin19)) {
         # Fix for issue https://github.com/dotnet/sdk/issues/1276.  This will be fixed in 3.1.
         $sdkTargetsName = "Microsoft.NET.Sdk.ImportPublishProfile.targets"
         $sdkTargetsUrl = "https://raw.githubusercontent.com/dotnet/sdk/82bc30c99f1325dfaa7ad450be96857a4fca2845/src/Tasks/Microsoft.NET.Build.Tasks/targets/${sdkTargetsName}"

images/win/scripts/SoftwareReport/SoftwareReport.VisualStudio.psm1

@@ -52,7 +52,7 @@ function Get-VisualStudioExtensions {
         )
     }
 
-    if (Test-IsWin16 -or Test-IsWin19) {
+    if ((Test-IsWin16) -or (Test-IsWin19)) {
         # Wix
         $wixPackageVersion = Get-WixVersion
         $wixExtensionVersion = ($vsPackages | Where-Object {$_.Id -match 'WixToolset.VisualStudioExtension.Dev' -and $_.type -eq 'vsix'}).Version