Add single option votes tooltip in polls

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

app/soapbox/components/poll.js

@@ -14,7 +14,8 @@ import Icon from 'soapbox/components/icon';
 
 const messages = defineMessages({
   closed: { id: 'poll.closed', defaultMessage: 'Closed' },
-  voted: { id: 'poll.voted', defaultMessage: 'You voted for this answer', description: 'Tooltip of the "voted" checkmark in polls' },
+  voted: { id: 'poll.voted', defaultMessage: 'You voted for this answer' },
+  votes: { id: 'poll.votes', defaultMessage: '{votes, plural, one {# vote} other {# votes}}' },
 });
 
 const makeEmojiMap = record => record.get('emojis').reduce((obj, emoji) => {
@@ -126,7 +127,7 @@ class Poll extends ImmutablePureComponent {
               data-index={optionIndex}
             />
           )}
-          {showResults && <span className='poll__number'>
+          {showResults && <span className='poll__number' title={intl.formatMessage(messages.votes, { votes: option.get('votes_count') })}>
             {!!voted && <Icon src={require('@tabler/icons/icons/check.svg')} className='poll__vote__mark' title={intl.formatMessage(messages.voted)} />}
             {Math.round(percent)}%
           </span>}