[debugtoolbar] Make SQL and RQL tables sortable

It's usefull to sort query by duration for instance.

cubicweb/pyramid/debug_toolbar_templates/rql.dbtmako

-<table id="rql-table" class="table table-striped table-condensed">
+<table id="rql-table" class="pDebugSortable table table-striped table-condensed">
     <thead>
         <tr>
             <th class="table-col-1">#</th>

cubicweb/pyramid/debug_toolbar_templates/sql.dbtmako

-<table id="sql-table" class="table table-striped table-condensed">
+<table id="sql-table" class="pDebugSortable table table-striped table-condensed">
     <thead>
         <tr>
             <th class="table-col-index">#</th>