dist: Fix frozen modules not packaged (such as zipimport in Python 3.8+)

direct/src/dist/FreezeTool.py

@@ -2563,9 +2563,9 @@ class PandaModuleFinder(modulefinder.ModuleFinder):
         (or self.path if None).  Returns a tuple like (fp, path, stuff), where
         stuff is a tuple like (suffix, mode, type). """
 
-        if imp.is_frozen(name):
-            # Don't pick up modules that are frozen into p3dpython.
-            raise ImportError("'%s' is a frozen module" % (name))
+        #if imp.is_frozen(name):
+        #    # Don't pick up modules that are frozen into p3dpython.
+        #    raise ImportError("'%s' is a frozen module" % (name))
 
         if parent is not None:
             fullname = parent.__name__+'.'+name