Fix: Select Pattern Operator for pose bones

Due to the change of the selection state in pose mode
to the pose bone, this operator was broken.

Pull Request: https://projects.blender.org/blender/blender/pulls/148067

scripts/startup/bl_operators/object.py

@@ -55,7 +55,7 @@ class SelectPattern(Operator):
         is_pbone = False
         obj = context.object
         if obj and obj.mode == 'POSE':
-            items = obj.data.bones
+            items = obj.pose.bones
             if not self.extend:
                 bpy.ops.pose.select_all(action='DESELECT')
             is_pbone = True