Refactor mod inbox to use a Turbo Stream-backed pagination

app/controllers/moderation/inbox_controller.rb

@@ -12,7 +12,7 @@ class Moderation::InboxController < ApplicationController
 
     respond_to do |format|
       format.html
-      format.js { render layout: false }
+      format.turbo_stream
     end
   end
 end

app/views/moderation/inbox/index.haml

@@ -4,14 +4,12 @@
 = render "header", user: @user, hidden: true
 
 .container-lg.container--main
+  = turbo_frame_tag "moderation_inbox" do
     #entries
       - @inboxes.each do |i|
         = render "inbox/entry", i: i
 
-  = render "shared/cursored_pagination_dummy", more_data_available: @more_data_available, last_id: @inbox_last_id
-
     - if @more_data_available
-
-    .d-flex.justify-content-center.justify-content-sm-start
-      %button.btn.btn-light#load-more-btn{ type: :button, data: { last_id: @inbox_last_id } }
+      .d-flex.justify-content-center.justify-content-sm-start#paginator
+        = button_to mod_inbox_index_path(@user, last_id: @inbox_last_id), class: "btn btn-light" do
           = t("voc.load")

app/views/moderation/inbox/index.js.erb

@@ -1,8 +0,0 @@
-$('#entries').append('<% @inboxes.each do |i|
-  %><%= j render 'inbox/entry', i: i
-%><% end %>');
-<% if @more_data_available %>
-$('#pagination').html('<%= j render 'shared/cursored_pagination_dummy', more_data_available: @more_data_available, last_id: @inbox_last_id %>');
-<% else %>
-$('#pagination, #load-more-btn').remove();
-<% end %>

app/views/moderation/inbox/index.turbo_stream.haml

@@ -0,0 +1,8 @@
+= turbo_stream.append "entries" do
+  - @inboxes.each do |i|
+    = render "inbox/entry", i: i
+
+= turbo_stream.update "paginator" do
+  - if @more_data_available
+    = button_to mod_inbox_index_path(@user, last_id: @inbox_last_id), class: "btn btn-light" do
+      = t("voc.load")

config/routes.rb

@@ -25,7 +25,7 @@ Rails.application.routes.draw do
     post "/moderation/unmask", to: "moderation#toggle_unmask", as: :moderation_toggle_unmask
     get "/moderation/blocks", to: "moderation/anonymous_block#index", as: :mod_anon_block_index
     get "/moderation/reports(/:type)", to: "moderation/reports#index", as: :moderation_reports, defaults: { type: "all" }
-    get "/moderation/inbox/:user", to: "moderation/inbox#index", as: :mod_inbox_index
+    match "/moderation/inbox/:user", to: "moderation/inbox#index", via: [:get, :post], as: :mod_inbox_index
     get "/moderation/questions/:author_identifier", to: "moderation/questions#show", as: :moderation_questions
     namespace :ajax do
       post "/mod/destroy_report", to: "moderation#destroy_report", as: :mod_destroy_report