Do not crash if one notification failed to render

CHANGELOG.md

@@ -32,6 +32,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Federation/MediaProxy not working with instances that have wrong certificate order
 - Mastodon API: Handling of search timeouts (`/api/v1/search` and `/api/v2/search`)
 - Mastodon API: Embedded relationships not being properly rendered in the Account entity of Status entity
+- Mastodon API: Notifications endpoint crashing if one notification failed to render
 - Mastodon API: follower/following counters not being nullified, when `hide_follows`/`hide_followers` is set
 - Mastodon API: `muted` in the Status entity, using author's account to determine if the tread was muted
 - Mastodon API: Add `account_id`, `type`, `offset`, and `limit` to search API (`/api/v1/search` and `/api/v2/search`)

lib/pleroma/web/mastodon_api/views/notification_view.ex

@@ -14,7 +14,7 @@ defmodule Pleroma.Web.MastodonAPI.NotificationView do
   alias Pleroma.Web.MastodonAPI.StatusView
 
   def render("index.json", %{notifications: notifications, for: user}) do
-    render_many(notifications, NotificationView, "show.json", %{for: user})
+    safe_render_many(notifications, NotificationView, "show.json", %{for: user})
   end
 
   def render("show.json", %{