Allow new profile methods through the Electron IPC allowlist

set_profile_picture and publish_profile_metadata were rejected by the
renderer-method gate added in the 2026-08-21 hardening ('rejected renderer
method' in the log), so the GUI buttons could never reach the backend.
Also allow delete_profile / undo_delete from the deletion feature, which
were missing from the list as well.

frontend/electron/main.ts

@@ -183,6 +183,10 @@ const RENDERER_METHODS: ReadonlySet<string> = new Set([
   'get_state',
   'create_profile',
   'select_profile',
+  'publish_profile_metadata',
+  'set_profile_picture',
+  'delete_profile',
+  'undo_delete',
   'publish_note',
   'feed_get',
   'relay_add',