City does not appear on Event's address if Street is empty

[Issa Mahasneh]

Describe the bug
The City does not appear on Location of single Event page, if the value of Location's Street field is empty.

To Reproduce
Steps to reproduce the behavior:

1. Create a new event.
2. On the location collection, add a city, keep street empty.
3. Display the page, after publishing.
4. See error.

Expected behavior
City is shown.

Screenshots
City is not shown:

[Issa Mahasneh]

Fixed in #213