New poll delay property id

resources/settings/properties.xml

@@ -56,7 +56,7 @@
     this delayfor an "always open" mode of operation, which then drains the
     watch battery from the additional API access activity.
   -->
-  <property id="poll_delay" type="number">0</property>
+  <property id="poll_delay_combined" type="number">5</property>
 
   <!--
     After this time (in seconds), a confirmation dialog for an action is

resources/settings/settings.xml

@@ -66,7 +66,7 @@
   </setting>
 
   <setting
-    propertyKey="@Properties.poll_delay"
+    propertyKey="@Properties.poll_delay_combined"
     title="@Strings.SettingsPollDelay"
   >
     <settingConfig type="numeric" min="0" />