Changing query for DisableLinkage

Unify the way it is done elsewhere to prevent excesive false positive retun of True when DisableLinkage is actually available and returns error from camera. After thsi fix, it is queried twice and then the integration knows it is unavailable.

Signed-off-by: Jan Dušek <[email protected]>

custom_components/dahua/client.py

@@ -629,10 +629,7 @@ async def async_get_disarming_linkage(self) -> dict:
         """
 
         url = "/cgi-bin/configManager.cgi?action=getConfig&name=DisableLinkage"
-        try:
-            return await self.get(url)
-        except aiohttp.ClientResponseError as e:
-            return {"table.DisableLinkage.Enable": "false"}
+        return await self.get(url)
 
     async def async_access_control_open_door(self, door_id: int = 1) -> dict:
         """