fix: Miles Sound System on Windows64 & Move all msscmp's to media folders

Minecraft.Client/Common/Buildsteps/Xbox-postbuild.ps1

@@ -24,6 +24,8 @@ foreach ($copy in $copies) {
 
     if (Test-Path $src) {
         xcopy /q /y /i /s /e /d "$src" "$dst" 2>$null
+    } else {
+        Write-Host "Xbox Postbuild: Folder not found, skipping: $src"
     }
 }
 
@@ -48,5 +50,7 @@ foreach ($copy in $fileCopies) {
     $dst = Join-Path $OutDir $copy.Dest
     if (Test-Path $src) {
         Copy-Item -Path $src -Destination $dst -Force
-	}
+	} else {
+        Write-Host "Xbox Postbuild: File not found, skipping: $src"
+    }
 }