Merge Latest and Browse into one screen (#7921)

* Merge Latest and Browse into one

* Add back Latest button

* Change context to IO instead of launching a job

* Use loading screen when loading initial page

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt

@@ -42,7 +42,6 @@ import eu.kanade.tachiyomi.ui.base.controller.withFadeTransaction
 import eu.kanade.tachiyomi.ui.browse.migration.search.SearchController
 import eu.kanade.tachiyomi.ui.browse.source.browse.BrowseSourceController
 import eu.kanade.tachiyomi.ui.browse.source.globalsearch.GlobalSearchController
-import eu.kanade.tachiyomi.ui.browse.source.latest.LatestUpdatesController
 import eu.kanade.tachiyomi.ui.category.CategoryController
 import eu.kanade.tachiyomi.ui.library.LibraryController
 import eu.kanade.tachiyomi.ui.main.MainActivity
@@ -313,10 +312,6 @@ class MangaController : FullComposeController<MangaPresenter> {
                 val controller = router.getControllerWithTag(R.id.nav_library.toString()) as LibraryController
                 controller.search(query)
             }
-            is LatestUpdatesController -> {
-                // Search doesn't currently work in source Latest view
-                return
-            }
             is BrowseSourceController -> {
                 router.handleBack()
                 previousController.searchWithQuery(query)