[UPDATE]
I know this been opverdue. I revisited the AdvancedPanelControl and the FloatingPage Libraries and added:
- “Navigate: Open in Right Panel” and “Navigate: Open in Left Panel” Commands, to open a Page/Document directly in the RHS or LHS Panel in addition to “Open as Floating window”

I didn’t assigned any specific ShortcutKey to the new commands willingly, so you can assign one whichever works the best for your setup, but I included an example in the Library on how to do it:
To Configure a ShortcutKey to the commands you can use the command.update function:
-- priority: -1
command.update {
name = "Navigate: Open in Left Panel",
key = "Ctrl-Alt-a",
}
command.update {
name = "Navigate: Open in Right Panel",
key = "Ctrl-Alt-s",
}
CAUTION - Breaking Change !!!
TheOpen: Floating Pagecommand is renamed toNavigate: Open as Floating Windowto be more in place with the otherNavigate:commands.