修复项目成员列表翻到第五页后页面布局不正常的问题 #1208

解决方案：强制换行

app/views/projects/settings/_members.html.erb

@@ -118,6 +118,7 @@
             <div id="principals_for_new_member">
               <%= render_principals_for_new_members(@project) %>
             </div>
+            <br />
             <!--show the roles which will select-->
             <p style="padding-top: 5px"><%= l(:label_role_plural) %>:
               <% roles.each do |role| %>