Read metadata from ComicInfo.xml files in Local source (#8025)

Co-authored-by: Shamicen <84282253+Shamicen@users.noreply.github.com>
Co-authored-by: Andreas <andreas.everos@gmail.com>
Co-authored-by: jobobby04 <jobobby04@users.noreply.github.com>

app/src/main/java/eu/kanade/tachiyomi/AppModule.kt

@@ -30,6 +30,8 @@ import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.util.system.isDevFlavor
 import io.requery.android.database.sqlite.RequerySQLiteOpenHelperFactory
 import kotlinx.serialization.json.Json
+import nl.adaptivity.xmlutil.serialization.UnknownChildHandler
+import nl.adaptivity.xmlutil.serialization.XML
 import uy.kohesive.injekt.api.InjektModule
 import uy.kohesive.injekt.api.InjektRegistrar
 import uy.kohesive.injekt.api.addSingleton
@@ -89,6 +91,13 @@ class AppModule(val app: Application) : InjektModule {
             }
         }
 
+        addSingletonFactory {
+            XML {
+                unknownChildHandler = UnknownChildHandler { _, _, _, _, _ -> emptyList() }
+                autoPolymorphic = true
+            }
+        }
+
         addSingletonFactory { ChapterCache(app) }
 
         addSingletonFactory { CoverCache(app) }