Beta: Neopixels in simulator - graphics alignment is confusing

[martinwork]

Describe the bug The alignment of the "live" squares with the circles of the strip graphic behind is confusing, making it seem like the first pixel is not lit.

Arising from https://support.microbit.org/helpdesk/tickets/63295 (private)

To Reproduce Steps to reproduce the behavior:

1. Load https://makecode.microbit.org/_D7bVAgdLYdEr
2. See white circle above strip

Expected behavior The graphics are aligned.

Screenshots

micro:bit version (please complete the following information): not hardware related

Desktop (please complete the following information):

• OS: [e.g. iOS] Windows
• Browser [e.g. chrome, safari] Chrome
• Version [e.g. 22] 113