API.Base: add 'IThumbList' interface; add the 'ReparseMissing_ClearList' function to the base class
API.Instagram: protect all necessary controls; fix error getting user info
API.OnlyFans: add the 'CookieDateProvider' class to avoid cookies error
API.PornHub: add image and title additional regex; fix subscription downloading bug
API.ThisVid: add 'ReparseMissing' function
Feed: add the most frequently used buttons to the top
FeedMedia: fix subscription bug
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