Qualify QueryKind.media to fix Nim 2.0.x build

Fixes #1422

src/routes/rss.nim

@@ -68,7 +68,7 @@ proc createRssRouter*(cfg: Config) =
       let
         prefs = requestPrefs()
         query = initQuery(params(request))
-      if query.kind notin {tweets, top, media}:
+      if query.kind notin {QueryKind.tweets, QueryKind.top, QueryKind.media}:
         resp Http400, showError("Only Tweet searches are allowed for RSS feeds.", cfg)
 
       let

src/routes/timeline.nim

@@ -53,7 +53,7 @@ proc fetchProfile*(after: string; query: Query; skipRail=false): Future[Profile]
 
   let
     rail =
-      skipIf(skipRail or query.kind == media, @[]):
+      skipIf(skipRail or query.kind == QueryKind.media, @[]):
         getCachedPhotoRail(userId)
 
     user = getCachedUser(name)