### Description 1. Forum Channels from a Guild Template's `serialized_source_guild` include Forum Tag objects without an ID field. 2. Forum Channels without any tags give k/v pair as `'available_tags': None`, instead of an empty list. ### Steps to Reproduce 1. Fetch a guild template for any guild that has a forum channel containing tags. 2. Observe data. ### Expected Behavior Payload contains a placegolder ID field with sequential IDs denoting sorting order. ### Current Behavior Payload does not. For example: - `'available_tags': [{'name': 'XXXX', 'emoji_id': None, 'emoji_name': None, 'moderated': False}, ...]` - `'available_tags': None` ### Screenshots/Videos _No response_ ### Client and System Information discord.py v2.6.3 on python 3.13.5, on win11.