[Glitch] Fix: Reword 'pick one' to 'single choice' for polls

Port bc2e642 to glitch-soc

Signed-off-by: Claire <[email protected]>

app/javascript/flavours/glitch/features/compose/components/poll_form.jsx

@@ -26,7 +26,7 @@ const messages = defineMessages({
   minutes: { id: 'intervals.full.minutes', defaultMessage: '{number, plural, one {# minute} other {# minutes}}' },
   hours: { id: 'intervals.full.hours', defaultMessage: '{number, plural, one {# hour} other {# hours}}' },
   days: { id: 'intervals.full.days', defaultMessage: '{number, plural, one {# day} other {# days}}' },
-  singleChoice: { id: 'compose_form.poll.single', defaultMessage: 'Pick one' },
+  singleChoice: { id: 'compose_form.poll.single', defaultMessage: 'Single choice' },
   multipleChoice: { id: 'compose_form.poll.multiple', defaultMessage: 'Multiple choice' },
 });