[Feature Request] Keep sort mode setting with user

[WROIATE]

Is your feature request related to a problem? Please describe.
Every time I want to use "date" sort mode, I have to change the option over and over again, It's not a graceful way for somebody don't want to use default mode "auto"

Describe the solution you'd like
Keep the Manga Sort Setting status, or add it in the Admin user setting.

Describe a small use-case for this feature request
Most people use a sort mode which they like with long time. If sometime I want use other mode, I could change it just once

[hkalexling]

Added in v0.7.3. Thanks for the feature request!