Ensure forcing a folder to be synced unpauses syncing on said folder

Signed-off-by: Claudio Cambra <claudio.cambra@nextcloud.com>

src/gui/folderman.cpp

@@ -611,6 +611,8 @@ void FolderMan::forceSyncForFolder(Folder *folder)
     }
 
     folder->slotWipeErrorBlacklist(); // issue #6757
+    folder->setSyncPaused(false);
+
     // Insert the selected folder at the front of the queue
     scheduleFolderNext(folder);
 }