Change event reducer to reset events to initial state on FETCHING action
Previous behaviour
Steps to reproduce:
- Open the app on iOS
- Open event 1
- See the information of event 1
- Open event 2
- See the information of event 1 and a loading indicator
- See the information of event 2
New behaviour
Steps to validate that it works:
- Open the app on iOS
- Open event 1
- See the information of event 1
- Open event 2
- See a loading indicator
- See the information of event 2