refactor(lstv2build): changes to not always build the old app if we dont need too

scripts/lstV2Build.ps1

@@ -36,11 +36,20 @@ function Build-LstV2-And-Copy {
         New-Item -Path $scriptDir -Name "tmp" -ItemType "Directory"
     }
 
-    Write-Host "Jumping into lstV2 to build it."
+$defaultChoice = "n"
+$input = Read-Host "Do we want to build lstV2? (Y/n) [$defaultChoice]" 
+
+$choice = if ([string]::IsNullOrWhiteSpace($input)) { $defaultChoice } else { $input.ToLower() }
+
+    if($choice -eq "n"){
+        Write-Host "Just going to copy the latest build over as we dont want to build a new one."
+    } else {
+        Write-Host "Jumping into lstV2 to build it."
     Push-Location $lstv2Loc
     npm run build
 
     Write-Host "LSTV2 Finished building."
+    }
 
     Write-Host "Copy the latest build to the tmpLoc"