Hide heart rate monitoring config for Helio Strap (always-on by design)

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huami/zeppos/ZeppOsSettingsCustomizer.java

@@ -263,6 +263,14 @@ public class ZeppOsSettingsCustomizer extends HuamiSettingsCustomizer {
         setupGpsPreference(handler, prefs);
         setupButtonClickPreferences(handler);
 
+        // Hide heart rate monitoring for devices without display like Helio Strap (they have continuous monitoring by default)
+        if (!coordinator.hasDisplay()) {
+            final Preference heartRateMonitoringPref = handler.findPreference(DeviceSettingsPreferenceConst.PREF_SCREEN_HEARTRATE_MONITORING);
+            if (heartRateMonitoringPref != null) {
+                heartRateMonitoringPref.setVisible(false);
+            }
+        }
+
         // Since we populate the values dynamically, we need to sort it here
         final Preference languagePref = handler.findPreference("language");
         if (languagePref != null) {

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huami/zeppos/straps/AmazfitHelioStrapCoordinator.java

@@ -62,6 +62,7 @@ public class AmazfitHelioStrapCoordinator extends ZeppOsCoordinator {
         return false;
     }
 
+
     @Override
     public DeviceKind getDeviceKind(@NonNull GBDevice device) {
         return DeviceKind.FITNESS_BAND;