Improve row selection UI and accessibility

[janvi01]

Is your feature request related to a problem? Please describe.
When we select the bulk row, we cannot distinguish between the selected rows and the unselected ones

When we select bulk rows, clicking on the select all checkbox should deselect the selected rows.

Describe the solution you'd like
Improve the UI of the selected rows and improve accessibility.

For example -

how selecting bulk mail looks -

rowy's row selection -

[dhairya-rathod]

@janvi01 I would like to work on this issue. Are you working on this one already?