message: add flex styling to fix small screen button overflow
diff: @@ -156,7 +156,7 @@ export class Event extends React.Component<Props, State> {
  </Sans>
  )}
  </TextContainer>
  - <Box width={102} height={34}>
  + <Flex maxWidth={102} height={34} flexBasis="29%" flexDirection="row" flexGrow={1}>
  <InvertedButton
  grayBorder={true}
  text={is_followed ? "Saved" : "Save"}
  @@ -164,7 +164,7 @@ export class Event extends React.Component<Props, State> {
  selected={is_followed}
  inProgress={isFollowedSaving}
  />
  - </Box>
  + </Flex>
  </Flex>
  </Box>
  </TouchableWithoutFeedback>
  