Folder: Always show cursor when focus is changed on folder's title EditText

This helps in noticing the cursor's position in the current part of the title being edited. Also keep cursor's color as colorPrimary.

Bug: [1]

References:
- [1] e/backlog#1207



Test: Rebuild and install the package with this patch and notice that cursor is now visible with a color of colorPrimary

Signed-off-by: Aayush Gupta <theimpulson@e.email>