Fix regressions in api/v1 (#3178)

The regressions are introduced at commit
f554807563 by me (Akihiko Odaki)

app/controllers/api/v1/follow_requests_controller.rb

@@ -9,6 +9,7 @@ class Api::V1::FollowRequestsController < ApiController
                        .references(:follow_requests)
                        .merge(FollowRequest.where(target_account: current_account)
                                            .paginate_by_max_id(DEFAULT_ACCOUNTS_LIMIT, params[:max_id], params[:since_id]))
+                       .to_a
 
     next_path = api_v1_follow_requests_url(pagination_params(max_id: @accounts.last.follow_requests.last.id))     if @accounts.size == DEFAULT_ACCOUNTS_LIMIT
     prev_path = api_v1_follow_requests_url(pagination_params(since_id: @accounts.first.follow_requests.first.id)) unless @accounts.empty?

app/controllers/api/v1/mutes_controller.rb

@@ -13,8 +13,8 @@ class Api::V1::MutesController < ApiController
                                   .paginate_by_max_id(limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:max_id], params[:since_id]))
                        .to_a
 
-    next_path = api_v1_mutes_url(pagination_params(max_id: @accounts.last.mutings.last.id))     if @accounts.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
-    prev_path = api_v1_mutes_url(pagination_params(since_id: @accounts.first.mutings.first.id)) unless @accounts.empty?
+    next_path = api_v1_mutes_url(pagination_params(max_id: @accounts.last.mutings_accounts.last.id))     if @accounts.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
+    prev_path = api_v1_mutes_url(pagination_params(since_id: @accounts.first.mutings_accounts.first.id)) unless @accounts.empty?
 
     set_pagination_headers(next_path, prev_path)
   end

app/controllers/api/v1/statuses_controller.rb

@@ -32,14 +32,14 @@ class Api::V1::StatusesController < ApiController
   end
 
   def reblogged_by
-    @accounts = Account.includes(statuses: :reblogs)
-                       .references(statuses: :reblogs)
-                       .where(statuses: { id: @status.id })
-                       .merge(@status.reblogs.paginate_by_max_id(limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:max_id], params[:since_id]))
+    @accounts = Account.includes(:statuses)
+                       .references(:statuses)
+                       .merge(Status.where(reblog_of_id: @status.id)
+                                    .paginate_by_max_id(limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:max_id], params[:since_id]))
                        .to_a
 
-    next_path = reblogged_by_api_v1_status_url(pagination_params(max_id: @accounts.last.statuses.last.reblogs.last.id))      if @accounts.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
-    prev_path = reblogged_by_api_v1_status_url(pagination_params(since_id: @accounts.first.statuses.first.reblogs.first.id)) unless @accounts.empty?
+    next_path = reblogged_by_api_v1_status_url(pagination_params(max_id: @accounts.last.statuses.last.id))     if @accounts.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
+    prev_path = reblogged_by_api_v1_status_url(pagination_params(since_id: @accounts.first.statuses.first.id)) unless @accounts.empty?
 
     set_pagination_headers(next_path, prev_path)