chore: Miscellaneous fixes

#9271 djs

> Backports the following pull requests to version 13:
>
> * docs: describe private properties #8879
> * fix(snowflake): snowflakes length #9144
> * fix(Message): `bulkDeletable` permissions should be retrieved later for DMs #9146
> * fix(Message#editable): update editable check in threads locked #9216
> * fix: add support for new guild feature `GUILD_WEB_PAGE_VANITY_URL` #9219
> * fix(AutocompleteInteraction): Send `name_localizations` correctly #9238
> * fix(ThreadManager): Respect `cache` and `force` in fetching #9239
> * docs(FetchArchivedThreadOptions): `before` respects `archive_timestamp`, not creation timestamp #9240
> * refactor(FetchThreadsOptions): Remove `active` #9241
> * docs: differ `User#send` #9251
> * docs: add more examples #9252
> * fix(ClientUser): No mutation on edit #9259
> * fix: resolving string bitfield #9262
> * refactor: call `GuildBanManager#create()` directly #9263
> * docs(Role): Fix example for `comparePositionTo()` #9270
> * docs: fix compare position example #9272
> * fix: Keep symbols in actions manager #9293

src/structures/Presence.js

@@ -176,6 +176,12 @@ class Presence extends Base {
  */
 class Activity {
   constructor(presence, data) {
+    /**
+     * The presence of the Activity
+     * @type {Presence}
+     * @readonly
+     * @name Activity#presence
+     */
     Object.defineProperty(this, 'presence', { value: presence });
 
     /**
@@ -346,6 +352,12 @@ class Activity {
  */
 class RichPresenceAssets {
   constructor(activity, assets) {
+    /**
+     * The activity of the RichPresenceAssets
+     * @type {Activity}
+     * @readonly
+     * @name RichPresenceAssets#activity
+     */
     Object.defineProperty(this, 'activity', { value: activity });
 
     /**