Redirect to user center after authenticating successfully (#6797)

#### What type of PR is this?

/kind cleanup
/area core
/milestone 2.20.x

#### What this PR does / why we need it:

This PR changes the redirect URI to `/uc` instead of `/console` after authenticating successfully.

#### Does this PR introduce a user-facing change?

```release-note
None
```

application/src/main/java/run/halo/app/security/authentication/login/UsernamePasswordHandler.java

@@ -46,7 +46,7 @@ public class UsernamePasswordHandler implements ServerAuthenticationSuccessHandl
     private RememberMeRequestCache rememberMeRequestCache = new WebSessionRememberMeRequestCache();
 
     private final ServerAuthenticationSuccessHandler defaultSuccessHandler =
-        new RedirectServerAuthenticationSuccessHandler("/console/");
+        new RedirectServerAuthenticationSuccessHandler("/uc");
 
     public UsernamePasswordHandler(ServerResponse.Context context, MessageSource messageSource,
         LoginHandlerEnhancer loginHandlerEnhancer) {