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

Conflicts:
- `app/models/custom_emoji.rb`:
  Not a real conflict, just upstream changing a line too close to
  a glitch-soc-specific validation.
  Applied upstream changes.
- `app/models/public_feed.rb`:
  Not a real conflict, just upstream changing a line too close to
  a glitch-soc-specific parameter documentation.
  Applied upstream changes.

app/controllers/api/v1/accounts/pins_controller.rb

@@ -8,7 +8,7 @@ class Api::V1::Accounts::PinsController < Api::BaseController
   before_action :set_account
 
   def create
-    AccountPin.create!(account: current_account, target_account: @account)
+    AccountPin.find_or_create_by!(account: current_account, target_account: @account)
     render json: @account, serializer: REST::RelationshipSerializer, relationships: relationships_presenter
   end
 

app/controllers/api/v1/lists_controller.rb

@@ -7,6 +7,10 @@ class Api::V1::ListsController < Api::BaseController
   before_action :require_user!
   before_action :set_list, except: [:index, :create]
 
+  rescue_from ArgumentError do |e|
+    render json: { error: e.to_s }, status: 422
+  end
+
   def index
     @lists = List.where(account: current_account).all
     render json: @lists, each_serializer: REST::ListSerializer

app/controllers/api/v1/tags_controller.rb

@@ -24,7 +24,7 @@ class Api::V1::TagsController < Api::BaseController
   private
 
   def set_or_create_tag
-    return not_found unless /\A(#{Tag::HASHTAG_NAME_RE})\z/.match?(params[:id])
+    return not_found unless Tag::HASHTAG_NAME_RE.match?(params[:id])
     @tag = Tag.find_normalized(params[:id]) || Tag.new(name: Tag.normalize(params[:id]), display_name: params[:id])
   end
 end

app/controllers/api/v1/timelines/public_controller.rb

@@ -35,7 +35,6 @@ class Api::V1::Timelines::PublicController < Api::BaseController
   def public_feed
     PublicFeed.new(
       current_account,
-      locale: content_locale,
       local: truthy_param?(:local),
       remote: truthy_param?(:remote),
       only_media: truthy_param?(:only_media),