ETA to event location does not show up after granting location permissions.

[s-law]

Steps to reproduce:

1. Install app on fresh device
2. Launch app and select group, then event location
3. Grant location permission to app

Expected:
Buttons with ETA for various modes of transportation appear

Actual:
Buttons with ETA for various modes of transportation do not appear

Workaround:

1. Back out of event
2. Re-select event

Issue occurs only for the event location that triggers the prompt for location permissions.