Fix #4230: Inconsistency between DText preview and DText renders of inline DText.

app/controllers/dtext_previews_controller.rb

@@ -1,5 +1,8 @@
 class DtextPreviewsController < ApplicationController
   def create
-    render :inline => "<%= format_text(params[:body]) %>"
+    @inline = params[:inline].to_s.truthy?
+    @disable_mentions = params[:disable_mentions].to_s.truthy?
+
+    render inline: "<%= format_text(params[:body], inline: @inline, disable_mentions: @disable_mentions) %>"
   end
 end

app/javascript/src/javascripts/dtext.js

@@ -21,20 +21,14 @@ Dtext.initialize_expandables = function() {
   });
 }
 
-Dtext.call_preview = function(e, $button, $input, $preview) {
+Dtext.call_preview = async function(e, $button, $input, $preview) {
   $button.val("Edit");
   $input.hide();
   $preview.text("Loading...").fadeIn("fast");
-  $.ajax({
-    type: "post",
-    url: "/dtext_preview",
-    data: {
-      body: $input.val()
-    },
-    success: function(data) {
-      $preview.html(data).fadeIn("fast");
-    }
-  });
+
+  let inline = $input.is("input");
+  let html = await $.post("/dtext_preview", { body: $input.val(), inline: inline });
+  $preview.html(html).fadeIn("fast");
 }
 
 Dtext.call_edit = function(e, $button, $input, $preview) {

app/views/post_appeals/index.html.erb

@@ -20,9 +20,9 @@
           <tr>
             <td><%= PostPresenter.preview(post_appeal.post, :tags => "status:any") %></td>
             <td>
-              <div class="prose">
-                <%= format_text post_appeal.reason %>
-              </div>
+              <span class="prose">
+                <%= format_text post_appeal.reason, inline: true %>
+              </span>
             </td>
             <td>
               <%= link_to post_appeal.post.appeals.size, post_appeals_path(search: { post_id: post_appeal.post_id }) %>

app/views/post_flags/index.html.erb

@@ -21,9 +21,9 @@
           <tr class="resolved-<%= post_flag.is_resolved? %>">
             <td><%= PostPresenter.preview(post_flag.post, :tags => "status:any") %></td>
             <td>
-              <div class="prose">
-                <%= format_text post_flag.reason %>
-              </div>
+              <span class="prose">
+                <%= format_text post_flag.reason, inline: true %>
+              </span>
             </td>
             <td>
               <%= link_to post_flag.post.flags.size, post_flags_path(search: { post_id: post_flag.post_id }) %>