[nxp][platform][k32w] BLE force disconnect handler calls API to allow low power (#33167)

diff --git a/src/platform/nxp/k32w/common/BLEManagerCommon.cpp b/src/platform/nxp/k32w/common/BLEManagerCommon.cpp
index 12b32b8..4c9048a 100644
--- a/src/platform/nxp/k32w/common/BLEManagerCommon.cpp
+++ b/src/platform/nxp/k32w/common/BLEManagerCommon.cpp
@@ -1075,6 +1075,10 @@
     {
         ChipLogProgress(DeviceLayer, "Gap_Disconnect() failed.");
     }
+
+#if defined(chip_with_low_power) && (chip_with_low_power == 1)
+    PWR_AllowDeviceToSleep();
+#endif
 }
 
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