Use same msbuild.exe for NuGet and solution build

NuGet was defaulting to the Visual Studio 2019 version of MSBuild (and
failing). Force it to use the same msbuild.exe we locate for the
solution build.

Author: jcansdale

scripts/modules.ps1

@@ -115,7 +115,9 @@ New-Module -ScriptBlock {
     }
 
     function Build-Solution([string]$solution, [string]$target, [string]$configuration, [switch]$ForVSInstaller, [bool]$Deploy = $false) {
-        Run-Command -Fatal { & $nuget restore $solution -NonInteractive -Verbosity detailed }
+        $msbuild = Find-MSBuild
+
+        Run-Command -Fatal { & $nuget restore $solution -NonInteractive -Verbosity detailed -MSBuildPath (Split-Path -parent $msbuild) }
         $flag1 = ""
         $flag2 = ""
         if ($ForVSInstaller) {
@@ -127,8 +129,6 @@ New-Module -ScriptBlock {
             $flag1 = "/p:Package=Skip"
         }
 
-        $msbuild = Find-MSBuild
-
         Write-Host "$msbuild $solution /target:$target /property:Configuration=$configuration /p:DeployExtension=false /verbosity:minimal /p:VisualStudioVersion=15.0 /bl:output.binlog $flag1 $flag2"
         Run-Command -Fatal { & $msbuild $solution /target:$target /property:Configuration=$configuration /p:DeployExtension=false /verbosity:minimal /p:VisualStudioVersion=15.0 /bl:output.binlog $flag1 $flag2 }
     }