Updated the datagrid to ellipse long text and have tooltip

Updated the datagrid to ellipse long text and have tooltip

To test:
Go on all datagrids and test that they all still work as
expected and that any long text ellipse and has tooltip.

issue A24Group/Triage#2662
Updated the datagrid to not show "null"

Updated the datagrid to not show "null"

issue A24Group/Triage#2662
Merge pull request #173 from nauderuan/dataGridOptimize

Updated the datagrid to ellipse long text and have tooltip