Fix broken markup

web/pgadmin/tools/datagrid/templates/datagrid/filter.html

@@ -1,5 +1,5 @@
 <div class="filter-textarea">
-    <textarea id="sql_filter" row="5"></textarea>
+    <textarea id="sql_filter" rows="5"></textarea>
     <style>
         .filter-textarea .CodeMirror-scroll {
         min-height: 120px;

web/pgadmin/tools/datagrid/templates/datagrid/index.html

@@ -238,7 +238,7 @@
         <div id="filter" class="filter-container hidden">
             <div class="filter-title">Filter</div>
             <div class="sql-textarea">
-                <textarea id="sql_filter" row="5"></textarea>
+                <textarea id="sql_filter" rows="5"></textarea>
             </div>
             <div class="btn-group">
                 <button id="btn-cancel" type="button" class="btn btn-danger" title="{{ _('Cancel') }}">