Don't combine old and new value on scene update (#49248)

homeassistant/components/config/scene.py

@@ -66,13 +66,11 @@ class EditSceneConfigView(EditIdBasedConfigView):
         # Iterate through some keys that we want to have ordered in the output
         updated_value = OrderedDict()
         for key in ("id", "name", "entities"):
-            if key in cur_value:
-                updated_value[key] = cur_value[key]
             if key in new_value:
                 updated_value[key] = new_value[key]
 
         # We cover all current fields above, but just in case we start
         # supporting more fields in the future.
-        updated_value.update(cur_value)
         updated_value.update(new_value)
+
         data[index] = updated_value

homeassistant/components/config/script.py

@@ -16,7 +16,7 @@ async def async_setup(hass):
         await hass.services.async_call(DOMAIN, SERVICE_RELOAD)
 
     hass.http.register_view(
-        EditKeyBasedConfigView(
+        EditScriptConfigView(
             DOMAIN,
             "config",
             SCRIPT_CONFIG_PATH,
@@ -27,3 +27,11 @@ async def async_setup(hass):
         )
     )
     return True
+
+
+class EditScriptConfigView(EditKeyBasedConfigView):
+    """Edit script config."""
+
+    def _write_value(self, hass, data, config_key, new_value):
+        """Set value."""
+        data[config_key] = new_value