climate: opt out of HA's backward compatibility turn_on/off

We already effectively opt out by explicitly defining these functions, but
the braindead way the deprecation notices work mean we need to also opt out
with this secret flag.

Issue #1513, #1737, #1734, #1637, #1632
home-assistant/core#114286

custom_components/tuya_local/climate.py

@@ -96,6 +96,12 @@ def __init__(self, device: TuyaLocalDevice, config: TuyaEntityConfig):
 
         self._init_end(dps_map)
 
+        # Disable HA's backwards compatibility auto creation of turn_on/off
+        # we explicitly define our own so this should have no effect, but
+        # the deprecation notices in HA use this flag rather than properly
+        # checking whether we are falling back on the auto-generation.
+        self._enable_turn_on_off_backwards_compatibility = False
+
         if self._aux_heat_dps:
             self._attr_supported_features |= ClimateEntityFeature.AUX_HEAT
         if self._fan_mode_dps: