Change animation on feed generation screen in web UI (#33311)

app/javascript/mastodon/locales/en.json

@@ -697,8 +697,8 @@
   "privacy_policy.title": "Privacy Policy",
   "recommended": "Recommended",
   "refresh": "Refresh",
-  "regeneration_indicator.label": "Loading…",
-  "regeneration_indicator.sublabel": "Your home feed is being prepared!",
+  "regeneration_indicator.please_stand_by": "Please stand by.",
+  "regeneration_indicator.preparing_your_home_feed": "Preparing your home feed…",
   "relative_time.days": "{number}d",
   "relative_time.full.days": "{number, plural, one {# day} other {# days}} ago",
   "relative_time.full.hours": "{number, plural, one {# hour} other {# hours}} ago",