* Skip thumbnail download for local manga sources
Local manga sources do not require downloading thumbnails as they are stored locally.
* Always update local source manga info when browsing
When making changes to an in library local source manga, a refresh from the source was required to get the latest data.
From a user perspective, this is unexpected behavior that looks like a bug.
If, for example, the thumbnail file extension got changed, the file could not be found anymore and an error was shown in the client. To fix this, a manga refresh was required.
schroda
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