With v.1.6.1 there is a delay while connecting to USB

### Operating System

Windows 11

### IDE version

2.3.2

### Board

ItsyBitsy NRF52840 Express

### BSP version

1.6.1

### Sketch

Custom NRF52840 board: https://github.com/amowry/WARBL2

### What happened ?

After updating from 1.6.0 to 1.6.1, my custom USB MIDI board using the ItsyBitsy NRF52840 Express takes several seconds to establish a USB connection. Do have any suggestions for what might cause this?

### How to reproduce ?

Create USB MIDI device using the ItsyBitsy NRF52840 Express package

### Debug Log

_No response_

### Screenshots

_No response_

Start by reproducing the USB MIDI connection delay with the ItsyBitsy NRF52840 Express package and the custom WARBL2 board, comparing BSP versions 1.6.0 and 1.6.1. Investigate the USB connection path involved in the BSP and document a change that restores prompt connection establishment.

Written by the indexing model from the issue text.