src: disable fast methods for buffer.write

It should resolve the regressions while we work on fixing them.

Refs: #54521
PR-URL: #54565
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>

src/node_buffer.cc

@@ -1554,21 +1554,9 @@ void Initialize(Local<Object> target,
   SetMethod(context, target, "hexWrite", StringWrite<HEX>);
   SetMethod(context, target, "ucs2Write", StringWrite<UCS2>);
 
-  SetFastMethod(context,
-                target,
-                "asciiWriteStatic",
-                SlowWriteString<ASCII>,
-                &fast_write_string);
-  SetFastMethod(context,
-                target,
-                "latin1WriteStatic",
-                SlowWriteString<LATIN1>,
-                &fast_write_string);
-  SetFastMethod(context,
-                target,
-                "utf8WriteStatic",
-                SlowWriteString<UTF8>,
-                &fast_write_string);
+  SetMethod(context, target, "asciiWriteStatic", SlowWriteString<ASCII>);
+  SetMethod(context, target, "latin1WriteStatic", SlowWriteString<LATIN1>);
+  SetMethod(context, target, "utf8WriteStatic", SlowWriteString<UTF8>);
 
   SetMethod(context, target, "getZeroFillToggle", GetZeroFillToggle);
 }