Did not see the page expansion bottom on the panel.

[RUITAO-WU]

In the introduction, the last fourth bottom (the one changes the ratio between the main page and the sidebar) appears.

I tried to follow the installation procedure but I do not see this bottom.
The sidebar other pieces of the codes seems to work. I also have the optional JS code installed.

Is this bottom being overwritten by Roam's own expansion bottom?

Thanks in advance for your help.