fix(core): Remove old directory state logic

- Remove code forcing the exclusion of `.` directories by default, the
  new default exclusion filters do this by default
- Change default state code to always return a value

core/directories.py

@@ -84,10 +84,11 @@ class Directories:
             for denied_path_re in self._exclude_list.compiled:
                 if denied_path_re.match(str(path.name)):
                     return DirectoryState.EXCLUDED
-            # return # We still use the old logic to force state on hidden dirs
+            return DirectoryState.NORMAL
         # Override this in subclasses to specify the state of some special folders.
         if path.name.startswith("."):
             return DirectoryState.EXCLUDED
+        return DirectoryState.NORMAL
 
     def _get_files(self, from_path, fileclasses, j):
         try:
@@ -214,7 +215,7 @@ class Directories:
         # direct match? easy result.
         if path in self.states:
             return self.states[path]
-        state = self._default_state_for_path(path) or DirectoryState.NORMAL
+        state = self._default_state_for_path(path)
         # Save non-default states in cache, necessary for _get_files()
         if state != DirectoryState.NORMAL:
             self.states[path] = state