fix: correctly nest UwframeSession as "person"

Now matches uw-frame format exactly.

uw-spring-security-web/src/main/java/edu/wisc/uwss/web/ProfileController.java

@@ -11,6 +11,9 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.ResponseBody;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import edu.wisc.uwss.UWUserDetails;
 import edu.wisc.uwss.web.uwframe.UwframeSession;
 
@@ -60,11 +63,13 @@ public class ProfileController {
    */
   @RequestMapping(value="/profile/uw-frame", method=RequestMethod.GET)
   public @ResponseBody Object uwFrameCompatibleProfile(@AuthenticationPrincipal Object principal) {
+    Map<String, UwframeSession> response = new HashMap<>();
     if(principal instanceof UWUserDetails) {
-      return new UwframeSession(environment, (UWUserDetails) principal);
+      response.put("person", new UwframeSession(environment, (UWUserDetails) principal));
     } else {
-      return new UwframeSession(environment);
+      response.put("person", new UwframeSession(environment));
     }
+    return response;
   }
 
 }