Excel Style Filtering throws error for column with numeric values and dataType string

[astaev]

Description

TreeGrid External excel style filtering sample does not render initially

Steps to reproduce

1. Open https://staging.infragistics.com/products/ignite-ui-angular/angular/components/treegrid/excel_style_filtering.html#demo-1
2. Look at the ESF on the left side

Note: There is a problem with ID column

Result

There isn't a content at all, and it appears when select a column

Expected result

Should be loaded correctly

Attachments

Attach a sample if available, and screenshots, if applicable.