add All Novel Download after backup from 1 device to another device, if possible.

[afat123]

Describe your suggested feature

after the backup is restored and done, all of the novels are not downloaded. and i have too many novels in my library that download 1 title by 1 title gets tiring.

Other details

No response

Acknowledgements

• [X] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open or closed issue.
• [X] I have written a short but informative title.
• [X] If this is an issue with a source, I should be opening an issue in the sources repository.
• [X] I have updated the app to version 1.1.13.
• [X] I will fill out all of the requested information in this form.

[nyagami]

done in https://github.com/LNReader/lnreader/pull/659

[nyagami]

implemented in 2.0 version