Description
The row expansion functionality in the DataTableComponent is not working as expected. Clicking the expand button does not display the additional row content. This issue persists despite proper implementation of the PrimeNG table row expansion feature.
Steps to Reproduce
Navigate to the page with the data table component.
Attempt to expand a row by clicking the expand button.
Observe that the additional content is not displayed.
Attaching the component image where i have clicked the button while trying to expand the row.

Description
The row expansion functionality in the DataTableComponent is not working as expected. Clicking the expand button does not display the additional row content. This issue persists despite proper implementation of the PrimeNG table row expansion feature.
Steps to Reproduce
Navigate to the page with the data table component.
Attempt to expand a row by clicking the expand button.
Observe that the additional content is not displayed.
Attaching the component image where i have clicked the button while trying to expand the row.
