Fix ids for the modtools modal

src/templates/moderator_tools_modal.html

-<div class="modal" id="list-chatrooms-modal" tabindex="-1" role="dialog" aria-labelledby="list-chatrooms-modal-label" aria-hidden="true">
+<div class="modal" id="converse-modtools-modal" tabindex="-1" role="dialog" aria-labelledby="converse-modtools-modal-label" aria-hidden="true">
     <div class="modal-dialog" role="document">
         <div class="modal-content">
             <div class="modal-header">
                 <h5 class="modal-title"
-                    id="list-chatrooms-modal-label">{{{o.__('Moderator Tools')}}}</h5>
+                    id="converse-modtools-modal-label">{{{o.__('Moderator Tools')}}}</h5>
                 <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                     <span aria-hidden="true">×</span>
                 </button>