message: Removes user location button when user hasn't supplied locaiton.
diff: @@ -535,6 +535,7 @@ export class GlobalMap extends React.Component<Props, State> {
  })
  }}
  />
  + {this.state.userLocation && (
  <Box style={{ marginLeft: "auto" }}>
  <UserPositionButton
  highlight={this.state.userLocation === this.state.currentLocation}
  @@ -544,6 +545,7 @@ export class GlobalMap extends React.Component<Props, State> {
  }}
  />
  </Box>
  + )}
  </Flex>
  </Animated.View>
  </TopButtonsContainer>
  