improve downloaded filter

[wael-ouni]

Steps to reproduce

when using the filter , Sometimes what you downloaded does not appear, and sometimes only some novel, not all, and when it appears, it disappears again if you move from category to other

Expected behavior

.

Actual behavior

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Crash logs

No response

IReader version

0.1.28

Android version

8.0.0

Device

Huawei

Other details

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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 an extension, I should be opening an issue in the extensions repository.
• [X] I have updated the app to version 0.1.28.
• [X] I have updated all installed extensions.
• [X] I will fill out all of the requested information in this form.