Sound is not reversed when winding back action replay

[madebr]

Reproducer:

• start race
• enter action replay
• rewind

This probably needs support in the miniaudio backend

Apply the following patch to start hitting unimplemented functions:

--- a/src/S3/s3sound.c
+++ b/src/S3/s3sound.c
@@ -432,6 +432,15 @@ int S3SyncSampleRate(tS3_channel* chan) {
 
 // FUNCTION: CARM95 0x004C946D
 int S3RegisterSampleFilters(tS3_sample_filter* filter1, tS3_sample_filter* filter2) {
-    STUB_ONCE();
+
+    if (filter1 != NULL) {
+        gS3_sample_filter_func = filter1;
+    }
+    if (filter2 != NULL) {
+        gS3_sample_filter_disable_func = filter2;
+    } else {
+        gS3_sample_filter_disable_func = filter1;
+    }
+    gS3_sample_filter_funcs_registered = filter1 != NULL;
     return 0;
 }