Update to layer 129 and other additions/enhancements (#3074)

* Apply code corrections for the new layer types.
* Support not passing `user` to `get_permissions`.
* `download_profile_photo` now supports `MessageService`.
* `thumb` in send and edit message.
* Document new known errors.

telethon/tl/custom/inlinebuilder.py

@@ -256,6 +256,10 @@ class InlineBuilder:
                 It will be automatically set if ``mime_type`` is specified,
                 and default to ``'file'`` if no matching mime type is found.
 
+            attributes (`list`, optional):
+                Optional attributes that override the inferred ones, like
+                :tl:`DocumentAttributeFilename` and so on.
+
             include_media (`bool`, optional):
                 Whether the document file used to display the result should be
                 included in the message itself or not. By default, the document