Hide reject media checkbox when not relevant. (#8426)

app/javascript/packs/admin.js

@@ -39,3 +39,10 @@ delegate(document, '.media-spoiler-hide-button', 'click', () => {
     element.click();
   });
 });
+
+delegate(document, '#domain_block_severity', 'change', ({ target }) => {
+  const rejectMediaDiv = document.querySelector('.input.with_label.domain_block_reject_media');
+  if (rejectMediaDiv) {
+    rejectMediaDiv.style.display = (target.value === 'suspend') ? 'none' : 'block';
+  }
+});

app/views/admin/domain_blocks/new.html.haml

@@ -1,3 +1,6 @@
+- content_for :header_tags do
+  = javascript_pack_tag 'admin', integrity: true, async: true, crossorigin: 'anonymous'
+
 - content_for :page_title do
   = t('.title')