Avoid attempts to renaming download dirs if name hasn't actually changed

Maybe fixes #9503

data/src/main/java/tachiyomi/data/source/SourceMapper.kt

@@ -5,14 +5,14 @@ import tachiyomi.domain.source.model.StubSource
 
 val sourceMapper: (eu.kanade.tachiyomi.source.Source) -> Source = { source ->
     Source(
-        source.id,
-        source.lang,
-        source.name,
+        id = source.id,
+        lang = source.lang,
+        name = source.name,
         supportsLatest = false,
         isStub = false,
     )
 }
 
 val sourceDataMapper: (Long, String, String) -> StubSource = { id, lang, name ->
-    StubSource(id, lang, name)
+    StubSource(id = id, lang = lang, name = name)
 }