Fix migration's selected sources order not preserved (#2993)

(cherry picked from commit 47816d4b218e6a62ef9fcd3097b6b0b8f2f95b17)

# Conflicts:
#	CHANGELOG.md

app/src/main/java/mihon/feature/migration/config/MigrationConfigScreen.kt

@@ -331,13 +331,13 @@ class MigrationConfigScreen(private val mangaIds: Collection<Long>) : Screen() {
             }
         }
 
-        private fun updateSources(save: Boolean = true, action: (List<MigrationSource>) -> List<MigrationSource>) {
+        private fun updateSources(action: (List<MigrationSource>) -> List<MigrationSource>) {
             mutableState.update { state ->
                 val updatedSources = action(state.sources)
                 val includedSources = updatedSources.mapNotNull { if (!it.isSelected) null else it.id }
                 state.copy(sources = updatedSources.sortedWith(sourcesComparator(includedSources)))
             }
-            if (save) saveSources()
+            saveSources()
         }
 
         private fun initSources() {
@@ -370,7 +370,9 @@ class MigrationConfigScreen(private val mangaIds: Collection<Long>) : Screen() {
                 }
                 .toList()
 
-            updateSources(save = false) { sources }
+            mutableState.update { state ->
+                state.copy(sources = sources.sortedWith(sourcesComparator(includedSources)))
+            }
         }
 
         fun toggleSelection(id: Long) {