feat: add cover image support to Discord event create (#60883)

* feat: add image param to Discord event create for cover art

* fix: pass trusted media roots to event cover image loader

* fix: solve lint error

* fix: add changelog entry for Discord event cover image support (#60883) (thanks @bittoby)

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Co-authored-by: Shadow <hi@shadowing.dev>

src/cli/program/message/register.discord-admin.ts

@@ -109,6 +109,7 @@ export function registerMessageDiscordAdminCommands(message: Command, helpers: M
     .option("--channel-id <id>", "Channel id")
     .option("--location <text>", "Event location")
     .option("--event-type <stage|external|voice>", "Event type")
+    .option("--image <url>", "Cover image URL or local file path")
     .action(async (opts) => {
       await helpers.runMessageAction("event-create", opts);
     });