Release Testing Day 3 (#1951)

* Code cleanup.

Fixed OPDS images missing api key.

Fixed theme color on site manifest not being black.

* Removed a console.log from timeago pipe

* Reading list page is now alphabetical and the modal for adding to a reading list is ordered by most recent.

* Fixed a bug where remove read from reading list failed due to Calculating Start and End date assuming chapter would always be there.

* Fixed a bug where reading list cover would get reset when editing the reading list.

* Fixed a bug where reading list item didn't have not read badge. It's on old style.

* Fixed a bug where user-preferences was hitting an admin only api when there was a better alternative

* Slight memory improvement on a common db call

* Fixed a bug where resetting to default theme when a theme was deleted was throwing an exception and failing.

* All Login dtos now have the active KavitaVersion to make external apps able to handle what version of the API they are connecting with.

* Fixed up a case where getVolume repo method always assumed there was a volume by that Id.

API/Data/Repositories/UserRepository.cs

@@ -337,7 +337,7 @@ public class UserRepository : IUserRepository
         return await _context.AppUser
             .Where(u => u.ApiKey != null && u.ApiKey.Equals(apiKey))
             .Select(u => u.Id)
-            .SingleOrDefaultAsync();
+            .FirstOrDefaultAsync();
     }