Minor fixes regarding leaks

(cherry picked from commit 36f81b4a62)

# Conflicts:
#	app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt

app/src/main/java/exh/ui/batchadd/BatchAddController.kt

@@ -37,13 +37,13 @@ class BatchAddController : NucleusController<EhFragmentBatchAddBinding, BatchAdd
                 .onEach {
                     addGalleries(binding.galleriesBox.text.toString())
                 }
-                .launchIn(scope)
+                .launchIn(viewScope)
 
             binding.progressDismissBtn.clicks()
                 .onEach {
                     presenter.currentlyAddingRelay.call(BatchAddPresenter.STATE_PROGRESS_TO_INPUT)
                 }
-                .launchIn(scope)
+                .launchIn(viewScope)
 
             val progressSubscriptions = CompositeSubscription()
 

app/src/main/java/exh/ui/smartsearch/SmartSearchController.kt

@@ -68,7 +68,7 @@ class SmartSearchController(bundle: Bundle? = null) : NucleusController<EhSmartS
                     }
                 }
             }
-            .launchIn(scope + Dispatchers.IO)
+            .launchIn(viewScope + Dispatchers.IO)
     }
 
     companion object {