build: force the latest VCToolsVersion; see DD-1541167 for more (#17156)

Stolen from PowerToys.

BODGY

build/pipelines/templates-v2/job-build-project.yml

@@ -142,6 +142,10 @@ jobs:
 
   - template: .\steps-restore-nuget.yml
 
+  - pwsh: |-
+      .\build\scripts\Set-LatestVCToolsVersion.ps1
+    displayName: Work around DD-1541167 (VCToolsVersion)
+
   - ${{ parameters.beforeBuildSteps }}
 
   - task: VSBuild@1

build/scripts/Set-LatestVCToolsVersion.ps1

@@ -0,0 +1,8 @@
+$VSInstances = ([xml](& 'C:\Program Files (x86)\Microsoft Visual Studio\Installer\vswhere.exe' -latest -requires Microsoft.VisualStudio.Component.VC.Tools.x86.x64 -include packages -format xml))
+$VSPackages = $VSInstances.instances.instance.packages.package
+$LatestVCPackage = ($VSInstances.instances.instance.packages.package | ? { $_.id -eq "Microsoft.VisualCpp.CRT.Source" })
+$LatestVCToolsVersion = $LatestVCPackage.version;
+
+Write-Output "Latest VCToolsVersion: $LatestVCToolsVersion"
+Write-Output "Updating VCToolsVersion environment variable for job"
+Write-Output "##vso[task.setvariable variable=VCToolsVersion]$LatestVCToolsVersion"

src/interactivity/onecore/SystemConfigurationProvider.cpp

@@ -61,6 +61,7 @@ void SystemConfigurationProvider::GetSettingsFromLink(
     // Hence, we make it seem like the console is in fact configured to use a
     // TrueType font by the user.
 
+#pragma warning(suppress : 26485) // This isn't even really _supposed to be_ an array-to-pointer decay: it's passed as a string view.
     pLinkSettings->SetFaceName(DEFAULT_TT_FONT_FACENAME);
     pLinkSettings->SetFontFamily(TMPF_TRUETYPE);