fix(mp-ble): Update att event data pointer

epicardium/ble/epic_att_api.c

@@ -41,6 +41,7 @@ void ble_epic_att_api_event(attEvt_t *att_event)
 		if (e) {
 			memcpy(e, att_event, sizeof(*e));
 			memcpy(e + 1, att_event->pValue, value_len);
+			e->pValue = (uint8_t *)(e + 1);
 			ble_epic_ble_api_trigger_event(BLE_EVENT_ATT_EVENT, e);
 		} else {
 			LOG_WARN(