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

Conflicts:
- app/models/media_attachment.rb
  Upstream added audio attachment support
- app/serializers/initial_state_serializer.rb
  Upstream added audio attachment support and how mimetypes are returned
- app/serializers/rest/instance_serializer.rb
  Upstream added a few fields
- config/application.rb
  Upstream added a different paperclip transcoder

app/models/user.rb

@@ -87,6 +87,7 @@ class User < ApplicationRecord
   scope :approved, -> { where(approved: true) }
   scope :confirmed, -> { where.not(confirmed_at: nil) }
   scope :enabled, -> { where(disabled: false) }
+  scope :disabled, -> { where(disabled: true) }
   scope :inactive, -> { where(arel_table[:current_sign_in_at].lt(ACTIVE_DURATION.ago)) }
   scope :active, -> { confirmed.where(arel_table[:current_sign_in_at].gteq(ACTIVE_DURATION.ago)).joins(:account).where(accounts: { suspended_at: nil }) }
   scope :matches_email, ->(value) { where(arel_table[:email].matches("#{value}%")) }