fix(file-display-activity): on rename finish operation

app/src/main/java/com/owncloud/android/ui/activity/FileDisplayActivity.kt

@@ -2375,8 +2375,20 @@ class FileDisplayActivity :
         }
 
         val file = storageManager.getFileById(renamedFile.parentId)
-        if (file != null && file == getCurrentDir()) {
-            fileListFragment?.adapter?.updateFile(renamedFile)
+        val isCurrentDirParentDirOfGivenFile = (file != null && file == currentDir)
+
+        // checking current dir against renamed file's parent will always fail when user is in Shared/Favorites root.
+        // thus check is current dir is root or not as well
+        if (currentDir?.isRootDirectory == true || isCurrentDirParentDirOfGivenFile) {
+            val fragment = fileListFragment
+
+            // OCFileSearchTask may still run during rename, so use a single refresh path to avoid
+            // flicker/inconsistent filenames.
+            if (fragment?.isSearchFragment == true) {
+                fragment.cancelAndRetriggerSearch()
+            } else {
+                fragment?.adapter?.updateFile(renamedFile)
+            }
         }
 
         refreshGalleryFragmentIfNeeded()

app/src/main/java/com/owncloud/android/ui/fragment/OCFileListFragment.java

@@ -2122,6 +2122,16 @@ public boolean isSearchFragment() {
         return searchFragment;
     }
 
+    public void cancelAndRetriggerSearch() {
+        if (searchTask != null) {
+            searchTask.cancel();
+            searchTask = null;
+        }
+        if (searchEvent != null) {
+            handleSearchEvent(searchEvent);
+        }
+    }
+
     /**
      * De-/select all elements in the current list view.
      *