Add batch actions for approving and rejecting pending accounts (#10469)

app/views/admin/pending_accounts/_account.html.haml

@@ -0,0 +1,14 @@
+.batch-table__row
+  %label.batch-table__row__select.batch-table__row__select--aligned.batch-checkbox
+    = f.check_box :account_ids, { multiple: true, include_hidden: false }, account.id
+  .batch-table__row__content.batch-table__row__content--unpadded
+    %table.accounts-table
+      %tbody
+        %tr
+          %td
+            = account.user_email
+            = "(@#{account.username})"
+            %br/
+            = account.user_current_sign_in_ip
+          %td.accounts-table__count
+            = table_link_to 'pencil', t('admin.accounts.edit'), admin_account_path(account.id)

app/views/admin/pending_accounts/index.html.haml

@@ -0,0 +1,33 @@
+- content_for :page_title do
+  = t('admin.pending_accounts.title', count: User.pending.count)
+
+- content_for :header_tags do
+  = javascript_pack_tag 'admin', integrity: true, async: true, crossorigin: 'anonymous'
+
+= form_for(@form, url: admin_pending_accounts_path, method: :patch) do |f|
+  = hidden_field_tag :page, params[:page] || 1
+
+  .batch-table
+    .batch-table__toolbar
+      %label.batch-table__toolbar__select.batch-checkbox-all
+        = check_box_tag :batch_checkbox_all, nil, false
+      .batch-table__toolbar__actions
+        = f.button safe_join([fa_icon('check'), t('admin.accounts.approve')]), name: :approve, class: 'table-action-link', type: :submit, data: { confirm: t('admin.reports.are_you_sure') }
+
+        = f.button safe_join([fa_icon('times'), t('admin.accounts.reject')]), name: :reject, class: 'table-action-link', type: :submit, data: { confirm: t('admin.reports.are_you_sure') }
+    .batch-table__body
+      - if @accounts.empty?
+        = nothing_here 'nothing-here--under-tabs'
+      - else
+        = render partial: 'account', collection: @accounts, locals: { f: f }
+
+= paginate @accounts
+
+%hr.spacer/
+
+%div{ style: 'overflow: hidden' }
+  %div{ style: 'float: right' }
+    = link_to t('admin.accounts.reject_all'), reject_all_admin_pending_accounts_path, method: :post, data: { confirm: t('admin.accounts.are_you_sure') }, class: 'button button--destructive'
+
+  %div
+    = link_to t('admin.accounts.approve_all'), approve_all_admin_pending_accounts_path, method: :post, data: { confirm: t('admin.accounts.are_you_sure') }, class: 'button'