Truncate MAL search queries to first 64 characters (closes #6314)

Is it worth telling the user? ¯\_(ツ)_/¯

app/src/main/java/eu/kanade/tachiyomi/data/track/myanimelist/MyAnimeListApi.kt

@@ -62,7 +62,8 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
     suspend fun search(query: String): List<TrackSearch> {
         return withIOContext {
             val url = "$baseApiUrl/manga".toUri().buildUpon()
-                .appendQueryParameter("q", query)
+                // MAL API throws a 400 when the query is over 64 characters...
+                .appendQueryParameter("q", query.take(64))
                 .appendQueryParameter("nsfw", "true")
                 .build()
             authClient.newCall(GET(url.toString()))