Fix back closing the app when dl/extensions sheet is still expanding up

app/src/main/java/eu/kanade/tachiyomi/ui/recents/RecentsController.kt

@@ -276,7 +276,7 @@ class RecentsController(bundle: Bundle? = null) :
     }
 
     override fun handleSheetBack(): Boolean {
-        if (binding.downloadBottomSheet.dlBottomSheet.sheetBehavior?.state == BottomSheetBehavior.STATE_EXPANDED) {
+        if (showingDownloads) {
             binding.downloadBottomSheet.dlBottomSheet.dismiss()
             return true
         }

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

@@ -318,7 +318,7 @@ class BrowseController :
     override fun sheetIsExpanded(): Boolean = binding.bottomSheet.root.sheetBehavior.isExpanded()
 
     override fun handleSheetBack(): Boolean {
-        if (!binding.bottomSheet.root.sheetBehavior.isCollapsed()) {
+        if (showingExtensions) {
             if (binding.bottomSheet.root.canGoBack()) {
                 binding.bottomSheet.root.sheetBehavior?.collapse()
             }