Maintain source info in the database. (#6389)

* Maintain Source Info in database

* Review changes and cleanups

* Review changes 2

* Review Changes 3

(cherry picked from commit 9d5b7de1d8)

# Conflicts:
#	app/src/main/java/eu/kanade/domain/DomainModule.kt
#	app/src/main/java/eu/kanade/presentation/browse/MigrateSourceScreen.kt
#	app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt
#	app/src/main/java/eu/kanade/tachiyomi/source/SourceManager.kt

app/src/main/java/eu/kanade/data/source/SourceMapper.kt

@@ -1,17 +1,24 @@
 package eu.kanade.data.source
 
 import eu.kanade.domain.source.model.Source
+import eu.kanade.domain.source.model.SourceData
 import eu.kanade.tachiyomi.source.CatalogueSource
+import eu.kanade.tachiyomi.source.SourceManager
 
 val sourceMapper: (eu.kanade.tachiyomi.source.Source) -> Source = { source ->
     Source(
         source.id,
         source.lang,
         source.name,
-        false,
+        supportsLatest = false,
+        isStub = source is SourceManager.StubSource,
     )
 }
 
 val catalogueSourceMapper: (CatalogueSource) -> Source = { source ->
     sourceMapper(source).copy(supportsLatest = source.supportsLatest)
 }
+
+val sourceDataMapper: (Long, String, String) -> SourceData = { id, lang, name ->
+    SourceData(id, lang, name)
+}