grid.Container / View: add support for the keys PageDown, PageUp, End, Home to navigate #6233

Author: tobiu

resources/scss/src/grid/View.scss

@@ -5,6 +5,10 @@
     overflow-y     : auto;
     position       : relative;
 
+    &:focus {
+        outline: none;
+    }
+
     .neo-grid-scrollbar {
         height        : 1px;
         position      : absolute;

src/grid/View.mjs

@@ -121,7 +121,7 @@ class GridView extends Component {
          * @member {Object} _vdom
          */
         _vdom:
-        {cn: [
+        {tabIndex: '-1', cn: [
             {cn: []},
             {cls: 'neo-grid-scrollbar'}
         ]}
@@ -428,8 +428,7 @@ class GridView extends Component {
             id             : cellId,
             cls            : cellCls,
             role           : 'gridcell',
-            style          : rendererOutput.style || {},
-            tabIndex       : '-1'
+            style          : rendererOutput.style || {}
         };
 
         if (column.width) {
@@ -491,7 +490,6 @@ class GridView extends Component {
             cls            : trCls,
             cn             : [],
             role           : 'row',
-            tabIndex       : '-1',
 
             style: {
                 height   : me.rowHeight + 'px',