Use default source filters in global search (fixes #5583)

Based on https://github.com/Jays2Kings/tachiyomiJ2K/commit/45fbd9d2f5eba03f0734a58ad46de16a047ae783

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchPresenter.kt

@@ -9,7 +9,6 @@ import eu.kanade.tachiyomi.extension.ExtensionManager
 import eu.kanade.tachiyomi.source.CatalogueSource
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceManager
-import eu.kanade.tachiyomi.source.model.FilterList
 import eu.kanade.tachiyomi.source.model.MangasPage
 import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.source.model.toSManga
@@ -165,7 +164,7 @@ open class GlobalSearchPresenter(
         fetchSourcesSubscription = Observable.from(sources)
             .flatMap(
                 { source ->
-                    Observable.defer { source.fetchSearchManga(1, query, FilterList()) }
+                    Observable.defer { source.fetchSearchManga(1, query, source.getFilterList()) }
                         .subscribeOn(Schedulers.io())
                         .onErrorReturn { MangasPage(emptyList(), false) } // Ignore timeouts or other exceptions
                         .map { it.mangas }