Fixed #308: Added timer to All Snackbars.
Fixes #308 (closed) : All Snackbars should have a timer, else they are not dismissed if Ok is not pressed
Changes :
Changed snackbar duration to 7 seconds
Appetize Link :
https://appetize.io/app/1kxwhmhdvegd7nz3h24wz47yeg
Edited by Sarthak Handa