Add IKEA Tretakt child lock and LED disable functionality (#4438)

* Move IKEA TRETAKT model to INSPELNING quirk

* Rename new plug quirks module to `plug_g2`

Author: TheJulianJES

zhaquirks/ikea/plug.py

@@ -1,15 +1,13 @@
-"""IKEA TRADFRI and TRETAKT plugs quirk."""
+"""IKEA TRADFRI plugs quirk."""
 
 from zigpy.quirks.v2 import QuirkBuilder
 from zigpy.zcl.clusters.general import LevelControl
 
 from zhaquirks.ikea import IKEA
 
 # remove LevelControl for plug to not show config options in ZHA
-# TRETAKT likely also has Child Lock and LED control, see INSPELNING
 (
     QuirkBuilder(IKEA, "TRADFRI control outlet")
-    .also_applies_to(IKEA, "TRETAKT Smart plug")
     .removes(LevelControl.cluster_id)
     .add_to_registry()
 )

zhaquirks/ikea/plug_inspelning.py renamed to zhaquirks/ikea/plug_g2.py

@@ -1,4 +1,4 @@
-"""IKEA INSPELNING plug quirk."""
+"""IKEA INSPELNING and TRETAKT plug quirk."""
 
 from zigpy.quirks.v2 import CustomCluster, QuirkBuilder
 import zigpy.types as t
@@ -29,6 +29,7 @@ class AttributeDefs(BaseAttributeDefs):
 # remove LevelControl for plugs to not show config options in ZHA
 (
     QuirkBuilder(IKEA, "INSPELNING Smart plug")
+    .applies_to(IKEA, "TRETAKT Smart plug")
     .removes(LevelControl.cluster_id)
     .replaces(IkeaSmartPlugCluster)
     .switch(