Revert "Roll Engine from fab19829949d to f121c1fe6843 (10 revisions) (#96631)" (#96667)

This reverts commit e78f135fd5c6c120edf8d386bc36cf564a357bd0.
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index dc54ee7..eac7674 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-f121c1fe6843a11c64740589625c3cb2472c0707
+fab19829949dba28eaea411bf5f12e98f91f5e9a