[iOS][FEATURE 53]How Do You Feel set strength default value to 3

Feature 53: On How Do you Feel? Input page default the strength value to 3 and not 0. Users are confused when set to 0

- Trello: https://trello.com/c/Jtlxrmfz/103-53-feature-on-how-do-you-feel-input-page-default-the-strength-value-to-3-and-not-0-users-are-confused-when-set-to-0