Fix synology_dsm availablity (#115073)

* Remove reload on update failure from synology_dsm

fixes #115062

The coordinator will retry on its own later, there is no
reason to reload here.  This was added in #42697

* fix available checks

homeassistant/components/synology_dsm/binary_sensor.py

@@ -116,7 +116,7 @@ class SynoDSMSecurityBinarySensor(SynoDSMBinarySensor):
     @property
     def available(self) -> bool:
         """Return True if entity is available."""
-        return bool(self._api.security)
+        return bool(self._api.security) and super().available
 
     @property
     def extra_state_attributes(self) -> dict[str, str]:

homeassistant/components/synology_dsm/camera.py

@@ -108,7 +108,7 @@ class SynoDSMCamera(SynologyDSMBaseEntity[SynologyDSMCameraUpdateCoordinator], C
     @property
     def available(self) -> bool:
         """Return the availability of the camera."""
-        return self.camera_data.is_enabled and self.coordinator.last_update_success
+        return self.camera_data.is_enabled and super().available
 
     @property
     def is_recording(self) -> bool:

homeassistant/components/synology_dsm/common.py

@@ -286,18 +286,7 @@ class SynoApi:
 
     async def async_update(self) -> None:
         """Update function for updating API information."""
-        try:
-            await self._update()
-        except SYNOLOGY_CONNECTION_EXCEPTIONS as err:
-            LOGGER.debug(
-                "Connection error during update of '%s' with exception: %s",
-                self._entry.unique_id,
-                err,
-            )
-            LOGGER.warning(
-                "Connection error during update, fallback by reloading the entry"
-            )
-            await self._hass.config_entries.async_reload(self._entry.entry_id)
+        await self._update()
 
     async def _update(self) -> None:
         """Update function for updating API information."""

homeassistant/components/synology_dsm/sensor.py

@@ -367,7 +367,7 @@ class SynoDSMUtilSensor(SynoDSMSensor):
     @property
     def available(self) -> bool:
         """Return True if entity is available."""
-        return bool(self._api.utilisation)
+        return bool(self._api.utilisation) and super().available
 
 
 class SynoDSMStorageSensor(SynologyDSMDeviceEntity, SynoDSMSensor):

homeassistant/components/synology_dsm/switch.py

@@ -98,7 +98,7 @@ class SynoDSMSurveillanceHomeModeToggle(
     @property
     def available(self) -> bool:
         """Return True if entity is available."""
-        return bool(self._api.surveillance_station)
+        return bool(self._api.surveillance_station) and super().available
 
     @property
     def device_info(self) -> DeviceInfo:

homeassistant/components/synology_dsm/update.py

@@ -59,7 +59,7 @@ class SynoDSMUpdateEntity(
     @property
     def available(self) -> bool:
         """Return True if entity is available."""
-        return bool(self._api.upgrade)
+        return bool(self._api.upgrade) and super().available
 
     @property
     def installed_version(self) -> str | None: