small fixes

app/views/admin/communication/blocks/templates/embed/_edit.html.erb

-<div class="row mb-4">
-  <div class="col-md-6">
-    <div class="mb-3">
-      <%= block_component_edit :code %>
-    </div>
+<div class="row">
+  <div class="col-md-6 mb-3">
+    <%= block_component_edit :code %>
   </div>
-  <div class="col-md-6">
-    <div class="mb-3">
-      <%= block_component_edit :transcription,
-            label: t('admin.communication.blocks.components.text.transcription.label'),
-            placeholder: t('admin.communication.blocks.components.text.transcription.placeholder') %>
-    </div>
+  <div class="col-md-6mb-3">
+    <%= block_component_edit :transcription,
+          label: t('admin.communication.blocks.components.text.transcription.label'),
+          placeholder: t('admin.communication.blocks.components.text.transcription.placeholder') %>
   </div>
 </div>

app/views/admin/communication/blocks/templates/embed/_static.html.erb

-  <%= block_component_static :code %>
-  <%= block_component_static :transcription %>
+<%= block_component_static :code %>
+<%= block_component_static :transcription %>