Opening the IgrDataGrid in a Bootstrap Modal dialog prevents the ability to type in the Search bar in the column options

[Andrew Goldenbaum]

Steps to Reproduce:

1. Run the attached sample project.
2. Click the "Click here to open Modal" button.
3. Open the column options in the IgrDataGrid in the resulting modal dialog.
4. Try to type in the filter search box

Result:
Cannot focus the search box and so cannot type in it.

Expected Result:
Should be able to focus the search box and type in it.

InfragisticsPOCApp.zip