Workaround MacCatalyst .app output path change in cmake 3.25

Since AzDO macOS builders where updated to cmake 3.25 we're seeing failures because the .app doesn't end up in the expected output path anymore.
Apply a workaround to move it back to the old location.

Fixes #78778

src/tasks/AppleAppBuilder/Xcode.cs

@@ -520,8 +520,15 @@ public string BuildAppBundle(
 
         Utils.RunProcess(Logger, "xcodebuild", args.ToString(), workingDir: Path.GetDirectoryName(xcodePrjPath));
 
-        string appPath = Path.Combine(Path.GetDirectoryName(xcodePrjPath)!, config + "-" + sdk,
-            Path.GetFileNameWithoutExtension(xcodePrjPath) + ".app");
+        string appDirectory = Path.Combine(Path.GetDirectoryName(xcodePrjPath)!, config + "-" + sdk);
+        if (!Directory.Exists(appDirectory))
+        {
+            // cmake 3.25.0 seems to have changed the output directory for MacCatalyst, move it back to the old format
+            string appDirectoryWithoutSdk = Path.Combine(Path.GetDirectoryName(xcodePrjPath)!, config);
+            Directory.Move(appDirectoryWithoutSdk, appDirectory);
+        }
+
+        string appPath = Path.Combine(appDirectory, Path.GetFileNameWithoutExtension(xcodePrjPath) + ".app");
 
         if (destination != null)
         {