add support for searching for dup-related flags

app/views/dtext/_form.html.erb

@@ -4,12 +4,17 @@
 - input_name
 - preview_id
 - value
+- type
  -->
 <div class="input text optional <%= classes %>">
   <label class="text optional" for="<%= input_id %>"><%= name %></label>
 
   <div class="dtext-previewable">
-    <textarea id="<%= input_id %>" class="text optional" rows="20" name="<%= input_name %>" cols="30"><%= value %></textarea>
+    <% if type == "text" %>
+      <textarea id="<%= input_id %>" class="text optional" rows="20" name="<%= input_name %>" cols="30"><%= value %></textarea>
+    <% else %>
+      <input type="text" id="<%= input_id %>" class="text optional" name="<%= input_name %>" value="<%= value %>">
+    <% end %>
     <div id="<%= preview_id %>" class="dtext-preview prose"></div>
   </div>
    <span class="hint">All text is formatted using <%= link_to "DText", wiki_pages_path(:title => "help:dtext"), :target => "_blank" %></span>

app/views/post_flags/_new.html.erb

@@ -4,6 +4,6 @@
 <% @post_flag = post_flag %>
 <%= simple_form_for(@post_flag, format: :js, remote: true) do |f| %>
   <%= f.hidden_field :post_id %>
-  <%= dtext_field "post_flag", "reason", preview_id: "dtext-preview-for-post-flag" %>
+  <%= dtext_field "post_flag", "reason", preview_id: "dtext-preview-for-post-flag", type: "string" %>
   <%= dtext_preview_button "post_flag", "reason", preview_id: "dtext-preview-for-post-flag" %>
 <% end %>

app/views/post_flags/_search.html.erb

@@ -6,6 +6,6 @@
     <%= f.input :creator_name, label: "Creator", input_html: { value: params[:search][:creator_name] } %>
   <% end %>
   <%= f.input :is_resolved, label: "Resolved?", collection: [["Yes", true], ["No", false]], include_blank: true, selected: params[:search][:is_resolved] %>
-  <%= f.input :category, label: "Category", collection: ["normal", "unapproved", "rejected", "deleted", "banned"], include_blank: true, selected: params[:search][:category] %>
+  <%= f.input :category, label: "Category", collection: ["normal", "unapproved", "rejected", "deleted", "banned", "duplicate"], include_blank: true, selected: params[:search][:category] %>
   <%= f.submit "Search" %>
 <% end %>