[ie/youtube] Fix nsig and signature extraction for player 643afba4 (#12684)

Closes #12677, Closes #12682
Authored by: seproDev, bashonly

Co-authored-by: bashonly <88596187+bashonly@users.noreply.github.com>

yt_dlp/jsinterp.py

@@ -890,9 +890,9 @@ class JSInterpreter:
         code, _ = self._separate_at_paren(func_m.group('code'))
         return [x.strip() for x in func_m.group('args').split(',')], code
 
-    def extract_function(self, funcname):
+    def extract_function(self, funcname, *global_stack):
         return function_with_repr(
-            self.extract_function_from_code(*self.extract_function_code(funcname)),
+            self.extract_function_from_code(*self.extract_function_code(funcname), *global_stack),
             f'F<{funcname}>')
 
     def extract_function_from_code(self, argnames, code, *global_stack):