Is your feature request related to a problem? Please describe.

InlineKeyboardMarkup andInlineKeyboardButton objects are currently not really testable for equality because the_id_attrs are not set. We should add all attributes ofIKB to the_id_attr andinline_keyboard forIKM.

Additional context

We already did that forMessageEntity iirc. Probably should go through the lib and do that for all the telegram objects.

Current workaround

Use__dict__ for everything