fix: count local feed episodes as downloaded in subscription counter (#8500)

### Description

Local folder feeds have no download records since files are placed
directly on-device. The subscription counter showed 0 downloaded episodes even
when episodes existed in the folder.

Fixes #7534

### Checklist
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app/src/main/java/de/danoeh/antennapod/actionbutton/DeleteActionButton.java

@@ -44,7 +44,7 @@ public class DeleteActionButton extends ItemActionButton {
 
     @Override
     public int getVisibility() {
-        if (item.getMedia() != null && (item.getMedia().isDownloaded() || item.getFeed().isLocalFeed())) {
+        if (item.getMedia() != null && item.getMedia().isDownloaded()) {
             return View.VISIBLE;
         }
 

app/src/main/java/de/danoeh/antennapod/ui/episodeslist/EpisodeMultiSelectActionHandler.java

@@ -141,7 +141,7 @@ public class EpisodeMultiSelectActionHandler {
         // download the check episodes in the same order as they are currently displayed
         int downloaded = 0;
         for (FeedItem episode : items) {
-            if (episode.hasMedia() && !episode.isDownloaded() && !episode.getFeed().isLocalFeed()) {
+            if (episode.hasMedia() && !episode.isDownloaded()) {
                 DownloadServiceInterface.get().download(activity, episode);
                 downloaded++;
             }
@@ -155,7 +155,7 @@ public class EpisodeMultiSelectActionHandler {
             if (!feedItem.hasMedia()) {
                 continue;
             }
-            if (feedItem.getMedia().isDownloaded() || feedItem.getFeed().isLocalFeed()) {
+            if (feedItem.getMedia().isDownloaded()) {
                 countHasMedia++;
                 DBWriter.deleteFeedMediaOfItem(activity, feedItem.getMedia());
             } else if (DownloadServiceInterface.get().isDownloadingEpisode(feedItem.getMedia().getDownloadUrl())) {

app/src/main/java/de/danoeh/antennapod/ui/episodeslist/FeedItemMenuHandler.java

@@ -86,9 +86,8 @@ public class FeedItemMenuHandler {
             canMarkPlayed |= !item.isPlayed();
             canMarkUnplayed |= item.isPlayed();
             canResetPosition |= hasMedia && item.getMedia().getPosition() != 0;
-            canDelete |= item.getFeed().isLocalFeed() || (hasMedia && item.getMedia().isDownloaded()) || isDownloading;
-            canDownload |= hasMedia && !item.getMedia().isDownloaded()
-                    && !item.getFeed().isLocalFeed() && !isDownloading;
+            canDelete |= (hasMedia && item.getMedia().isDownloaded()) || isDownloading;
+            canDownload |= hasMedia && !item.getMedia().isDownloaded() && !isDownloading;
             canAddFavorite |= !item.isTagged(FeedItem.TAG_FAVORITE);
             canRemoveFavorite |= item.isTagged(FeedItem.TAG_FAVORITE);
             canShowTranscript |= item.hasTranscript();

app/src/main/java/de/danoeh/antennapod/ui/swipeactions/DeleteSwipeAction.java

@@ -35,7 +35,7 @@ public class DeleteSwipeAction implements SwipeAction {
 
     @Override
     public void performAction(FeedItem item, Fragment fragment, FeedItemFilter filter) {
-        if (!item.isDownloaded() && !item.getFeed().isLocalFeed()) {
+        if (!item.isDownloaded()) {
             return;
         }
         LocalDeleteModal.showLocalFeedDeleteWarningIfNecessary(
@@ -45,6 +45,6 @@ public class DeleteSwipeAction implements SwipeAction {
 
     @Override
     public boolean willRemove(FeedItemFilter filter, FeedItem item) {
-        return filter.showDownloaded && (item.isDownloaded() || item.getFeed().isLocalFeed());
+        return filter.showDownloaded && item.isDownloaded();
     }
 }

app/src/main/java/de/danoeh/antennapod/ui/swipeactions/StartDownloadSwipeAction.java

@@ -35,7 +35,7 @@ public class StartDownloadSwipeAction implements SwipeAction {
     public void performAction(FeedItem item, Fragment fragment, FeedItemFilter filter) {
         if (item.getMedia() == null) {
             EventBus.getDefault().post(new MessageEvent(fragment.getString(R.string.no_media_label)));
-        } else if (item.getFeed().isLocalFeed() || item.isDownloaded()) {
+        } else if (item.isDownloaded()) {
             EventBus.getDefault().post(new MessageEvent(fragment.getString(R.string.already_downloaded)));
         } else {
             new DownloadActionButton(item).onClick(fragment.requireContext());