ld: apply pwr limit setting to analog watchdog

- This fixes a bug which power limit is not applied to pd_mon at startup

src/laser_diode/laser_diode.rs

@@ -255,6 +255,9 @@ impl LdDrive {
         self.settings.pd_mon_params = settings.pd_mon_params;
         self.settings.ld_pwr_limit = settings.ld_pwr_limit;
         self.settings.default_pwr_on = settings.default_pwr_on;
+
+        self.set_ld_power_limit(settings.ld_pwr_limit);
+
         if self.settings.ld_terms_short {
             self.ld_short();
         } else {