Add ability to show manga when clicking item in migration search process (#7134)

(cherry picked from commit bbb69482e1e2e39c62502a3caf03d13c59b01252)

app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/SearchController.kt

@@ -129,7 +129,10 @@ class SearchController(
                     }
                     (targetController as? SearchController)?.copyManga(manga, newManga)
                 }
-                .setNeutralButton(android.R.string.cancel, null)
+                .setNeutralButton(activity?.getString(R.string.action_show_manga)) { _, _ ->
+                    dismissDialog()
+                    router.pushController(MangaController(newManga))
+                }
                 .create()
         }
     }