title: tinymce - browse image button not visible on the Insert/Edit pop up
body: <p>i am using the tinymce plugin for having formatted text in the textarea. I am also using the image Insert/Edit Images button(for inline images), but the browse file button does not seem to appear in the dialog boxes that opens after clicking it, so, i am not able to select a file now.</p>
  
  <p>Below is the init of the plugin and some images of what i was hoping to see     </p>
  
  <pre><code>tinymce.init({
              selector: "textarea",
              theme: "modern",
              plugins: [
                  "advlist autolink lists link image charmap print preview hr anchor pagebreak",
                  "searchreplace wordcount visualblocks visualchars code fullscreen",
                  "insertdatetime media nonbreaking save table contextmenu directionality",
                  "emoticons template paste textcolor moxiemanager"
              ],
              toolbar1: "insertfile undo redo | styleselect | bold italic | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | link code image | forecolor backcolor emoticons",
              image_advtab: true,
              statusbar : false,
              menubar : false,
              force_p_newlines : false,
              force_br_newlines : true,
              convert_newlines_to_brs : true,
              forced_root_block : false,
              paste_text_linebreaktype : "br",
              width : 730,
              height : 300,
              templates: [
              {title: 'Test template 1', content: 'Test 1'},
              {title: 'Test template 2', content: 'Test 2'}
              ]
          });
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/8JoS3.png" alt="this is what i want ti to be like">
  <img src="https://i.stack.imgur.com/Yhu1Z.png" alt="this is what i have"></p>