fix the accents for Vietnamese language

Accent marks for the Vietnamese language selection were incorrect, updated them per recommendation of Simi in TCMAP

Resolve inaccurate accent marks in Vietnamese language selection

[x] Tapping on a marker on the map displays information about the marker in a popup.
[x] Tapping the "Show list of locations" button replaces the map view with a list view.
[x] Tapping an item in the list replaces the list view with a map view, and navigates the map to the tapped item on the map.
[x] Tapping one of the ✅'s in the legend filters items on the map and in the list.
[x] Changing the language to spanish changes things on the page.
[x] Clicking the Help/Info button opens and closes a menu with information.
[x] Clicking the X Close button on the Help/Info screen closes the modal.

Twin-Cities-Mutual-Aid / twin-cities-aid-distribution-locations