fix(file-list): cleanup states

Signed-off-by: alperozturk96 <alper_ozturk@proton.me>

Author: alperozturk96

app/src/main/java/com/owncloud/android/ui/adapter/OCFileListAdapter.java

@@ -871,6 +871,7 @@ public void updateAdapter(List<OCFile> newFiles, OCFile directory) {
 
         mFiles = new ArrayList<>(newFiles);
         mFilesAll.clear();
+        ocFileListDelegate.clearFolderDownloadStates();
         mFilesAll.addAll(mFiles);
 
         if (directory != null) {

app/src/main/java/com/owncloud/android/ui/adapter/OCFileListDelegate.kt

@@ -413,17 +413,17 @@ class OCFileListDelegate(
     }
 
     fun addFolderDownloadStates(ids: Set<FolderDownloadState>) {
-        val removed = folderDownloadStates - ids
-        val added = ids - folderDownloadStates
-
         folderDownloadStates.clear()
         folderDownloadStates.addAll(ids)
 
-        Log_OC.d(TAG, "downloading folders - added: $added, removed: $removed, current: $folderDownloadStates")
+        Log_OC.d(TAG, "downloading folders - added current: $folderDownloadStates")
     }
 
     fun getFolderDownloadStates(): List<FolderDownloadState> = folderDownloadStates.toList()
 
+    // only clear remove states since downloading states added and removed via worker
+    fun clearFolderDownloadStates() = folderDownloadStates.removeIf { it is FolderDownloadState.Removed }
+
     fun cleanup() {
         ioScope.cancel()