Merge branch 'main' into glitch-soc/merge-upstream

Conflicts:
- `app/lib/formatter.rb`:
  Upstream completely refactored the formatting code and removed that file,
  while glitch-soc had code for Markdown and HTML toots.
  Took upstream code, glitch-soc changes will be re-implemented on top of the
  refactored classes in a later commit.
- `app/models/status.rb`:
  Upstream refactored status edit handling and moved code to
  `app/models/concerns/status_snapshot_concern.rb`.
  Applied glitch-soc's changes to that file.
- `app/serializers/activitypub/note_serializer.rb`:
  Not really a conflict, just a line added too close to one modified by
  glitch-soc.
  Applied upstream changes while keeping the glitch-soc-modified one.
- `app/services/update_status_service.rb`:
  Not really a conflict, upstream modified a line adjacent to one added by
  glitch-soc.
  Applied upstream changes while keeping the glitch-soc line.
- `app/views/statuses/_simple_status.html.haml`:
  Upstream refactored formatting, glitch-soc changed the markup slightly.
  Applied upstream changes.
- `spec/lib/formatter_spec.rb`:
  Upstream completely refactored the formatting code and removed that file,
  while glitch-soc had code for Markdown and HTML toots.
  Took upstream code, glitch-soc changes will be re-implemented on top of the
  refactored classes in a later commit.

config/initializers/twitter_regex.rb

@@ -75,30 +75,4 @@ module Twitter::TwitterText
       )
     }iox
   end
-
-  module Extractor
-    # Extracts a list of all XMPP and magnet URIs included in the Toot <tt>text</tt> along
-    # with the indices. If the <tt>text</tt> is <tt>nil</tt> or contains no
-    # XMPP or magnet URIs an empty array will be returned.
-    #
-    # If a block is given then it will be called for each XMPP URI.
-    def extract_extra_uris_with_indices(text, _options = {}) # :yields: uri, start, end
-      return [] unless text && text.index(":")
-      urls = []
-
-      text.to_s.scan(Twitter::TwitterText::Regex[:valid_extended_uri]) do
-        valid_uri_match_data = $~
-
-        start_position = valid_uri_match_data.char_begin(3)
-        end_position = valid_uri_match_data.char_end(3)
-
-        urls << {
-          :url => valid_uri_match_data[3],
-          :indices => [start_position, end_position]
-        }
-      end
-      urls.each{|url| yield url[:url], url[:indices].first, url[:indices].last} if block_given?
-      urls
-    end
-  end
 end