fix(notifications): a notice value is no plain string, so a translated name cannot freeze in one language

A name goes in as raw(), a translated word as its own msg(): tsc now lists every value, and the
ones that froze are said when shown — Watch later and an untitled channel in the pin and channel
notices, a Plex season's name in its removal toast (a new seasonTitleText, which seasonTitle says).

frontend/src/modules/feed/ChannelPage.tsx

@@ -42,7 +42,7 @@ import {
 } from "../../lib/channelPageUrlState";
 import { LS } from "../../lib/storage";
 import { useConfirm } from "../../components/ui/confirmContext";
-import { msg, notify } from "../../lib/notifications";
+import { msg, notify, raw } from "../../lib/notifications";
 import { notifyYouTubeActionError } from "../../lib/youtubeErrors";
 import { notifyActionError } from "../../lib/actionErrors";
 import {
@@ -201,7 +201,7 @@ export default function ChannelPage({
     mutationFn: () => api.subscribeChannel(channelId),
     onSuccess: () => {
       invalidateSubscription(qc, channelId);
-      notify({ level: "info", message: msg("channel.subscribed", { name: ch?.title ?? "" }) });
+      notify({ level: "info", message: msg("channel.subscribed", { name: raw(ch?.title ?? "") }) });
     },
     // A 403 (missing write scope) otherwise fails silently on the channel page (no wizard handle
     // here, so no Connect button — but the user at least sees why it didn't work).