Cannot open help documentation about 'Play a sound expression' in JavaScript and Python editor

[v-katherine]

Describe the bug
Cannot open help documentation about 'Play a sound expression' in JavaScript and Python editor

Steps to reproduce the behavior
1.Navigate to https://makecode.microbit.org/beta
2.Create or open JavaScript/Python editor.
3.Toolbox->Music, open the help documentation of block 'melody at tempo 120', 'tone for duration' and 'melody'.

Actual behavior:
Cannot open the documentation, shows' Oops we could not load the documentation, please check your internet connection'.

Expected behavior:
Open the help documentation correctly.

Screen Recording:

Additional context:
1.OS: Windows11, iMac Ventura 13.6.6
2.makecode.microbit,org version: 7.0.9
3.Microsoft MakeCode version: 10.0.21