[terra-worklist-data-grid] added keyboard support for column resizing

packages/terra-data-grid/src/DataGrid.module.scss

@@ -14,7 +14,7 @@
     border-collapse: separate;
     border-spacing: 0;
     // Allow for resizing of last grid column
-    margin-right: 30px;
+    margin-right: 15px;
     table-layout: fixed;
     user-select: none;
     width: 1px;

packages/terra-data-grid/tests/jest/ColumnHeader.test.jsx

@@ -86,7 +86,6 @@ describe('ColumnHeader', () => {
 
     // Validate ColumnHeaderCell React component
     const columnHeaderCells = columnHeader.find(ColumnHeaderCell);
-    // console.log(columnHeaderCells.first().props())
     expect(columnHeaderCells.first().props().tableHeight).toBe(500);
 
     expect(wrapper).toMatchSnapshot();