Fix wifi example build failures

.github/configs/sdkconfig.defaults

@@ -17,10 +17,14 @@ CONFIG_ETH_SPI_ETHERNET_DM9051=y
 CONFIG_ETH_SPI_ETHERNET_W5500=y
 CONFIG_ETH_SPI_ETHERNET_KSZ8851SNL=y
 
+# We don't have an example for classic BT - yet - we need to enable class BT
+# specifically to workaround this bug in ESP IDF v5.2 (fixed in ESP IDF v5.2.1+):
+# https://github.com/espressif/esp-idf/issues/13113
+CONFIG_BT_CLASSIC_ENABLED=y
+
 # BLE with Bluedroid
 CONFIG_BT_ENABLED=y
 CONFIG_BT_BLUEDROID_ENABLED=y
-CONFIG_BT_CLASSIC_ENABLED=n
 CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
 CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
 CONFIG_BTDM_CTRL_MODE_BTDM=n