Revert MonoGame checkout to 3.8.4

SimonDarksideJ · SimonDarksideJ · commit 07ebe98a5601 · 2025-07-18T11:21:13.000+01:00
diff --git a/external/MonoGame b/external/MonoGame
@@ -1 +1 @@
-Subproject commit a3f2380d9cfeafdfc21cef8a6a1c8336f4b450c8
+Subproject commit caaa1170c48b8d340690014423e1c8bbc0777899
