Direct user back to global search when coming from source search results (#4196)

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceController.kt

@@ -35,6 +35,7 @@ import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.ui.base.controller.FabController
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
 import eu.kanade.tachiyomi.ui.base.controller.withFadeTransaction
+import eu.kanade.tachiyomi.ui.browse.source.globalsearch.GlobalSearchController
 import eu.kanade.tachiyomi.ui.library.ChangeMangaCategoriesDialog
 import eu.kanade.tachiyomi.ui.main.MainActivity
 import eu.kanade.tachiyomi.ui.manga.MangaController
@@ -279,7 +280,12 @@ open class BrowseSourceController(bundle: Bundle) :
         searchItem.fixExpand(
             onExpand = { invalidateMenuOnExpand() },
             onCollapse = {
-                searchWithQuery("")
+                if (router.backstackSize >= 2 && router.backstack[router.backstackSize - 2].controller() is GlobalSearchController) {
+                    router.popController(this)
+                } else {
+                    searchWithQuery("")
+                }
+
                 true
             }
         )