Workaround MacCatalyst .app output path change in cmake 3.25 (#79097)

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

Co-authored-by: Alexander Köplinger <alex.koeplinger@outlook.com>

src/tasks/AppleAppBuilder/Xcode.cs

@@ -524,8 +524,15 @@ 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)
         {