Refine content and appearance of the user account screen (#9521)

Co-authored-by: Tim Jacomb <21194782+timja@users.noreply.github.com>

core/src/main/java/hudson/model/TimeZoneProperty.java

@@ -62,6 +62,11 @@ public class TimeZoneProperty extends UserProperty {
             return Messages.TimeZoneProperty_DisplayName();
         }
 
+        @Override
+        public String getDescription() {
+            return Messages.TimeZoneProperty_Description();
+        }
+
         @Override
         public UserProperty newInstance(User user) {
             return new TimeZoneProperty();

core/src/main/java/hudson/model/UserPropertyDescriptor.java

@@ -26,6 +26,7 @@ package hudson.model;
 
 import edu.umd.cs.findbugs.annotations.CheckForNull;
 import edu.umd.cs.findbugs.annotations.NonNull;
+import edu.umd.cs.findbugs.annotations.Nullable;
 import hudson.model.userproperty.UserPropertyCategory;
 import java.util.Optional;
 import org.jenkinsci.Symbol;
@@ -126,4 +127,15 @@ public abstract class UserPropertyDescriptor extends Descriptor<UserProperty> {
     protected @CheckForNull String getUserPropertyCategoryAsString() {
         return null;
     }
+
+    /**
+     * Optional description for the configurable object
+     * Displays as plain text
+     *
+     * @since TODO
+     */
+    @Nullable
+    public String getDescription() {
+        return null;
+    }
 }

core/src/main/java/jenkins/console/ConsoleUrlProviderUserProperty.java

@@ -65,6 +65,11 @@ public class ConsoleUrlProviderUserProperty extends UserProperty {
             return Messages.consoleUrlProviderDisplayName();
         }
 
+        @Override
+        public String getDescription() {
+            return Messages.consoleUrlProviderDisplayName_Description();
+        }
+
         @Override
         public UserProperty newInstance(User user) {
             return new ConsoleUrlProviderUserProperty();