修复bug#2621:课程实践平台—课程作业—发布作业：编辑器的框大小可以任意伸缩，在伸缩后，不能还原。

app/views/bids/_new_homework_form.html.erb

@@ -15,10 +15,10 @@
       <label class="fl" >&nbsp;&nbsp;<%= l(:field_quote)%>&nbsp;&nbsp;：</label>
       <!--<textarea  name="bid[description]" placeholder="最多3000个汉字(或6000个英文字符)"  class="hwork_text fl"></textarea>-->
       <% if edit_mode %>
-        <%= f.kindeditor :description,:width=>'91%',:editor_id => 'bid_description_editor',:owner_id => bid.id,:owner_type =>OwnerTypeHelper::BID %>
+        <%= f.kindeditor :description,:width=>'91%',:editor_id => 'bid_description_editor',:owner_id => bid.id,:owner_type =>OwnerTypeHelper::BID,:resizeType => 0 %>
       <% else %>
           <%= hidden_field_tag :asset_id,params[:asset_id],:required => false,:style => 'display:none' %>
-          <%= f.kindeditor :description,:width=>'91%',:editor_id => 'bid_description_editor' %>
+          <%= f.kindeditor :description,:width=>'91%',:editor_id => 'bid_description_editor',:resizeType => 0 %>
       <% end %>
     </li>
     <div class="cl"></div>