How do you expand all objects in the console view of chrome?
Run the following code in console of devtools-on-devtools:
$$('.console-view-object-properties-section').forEach(e => e._section._objectTreeElement.expandRecursively())
Then switch to the original devtools window.
Based on chromium source code for the devtools.
For convenience you can save the code in snippets and run it later from there or by typing the snippet name in the commands palette (Ctrl-P or Cmd-P hotkey).
How to open devtools-on-devtools:
Open devtools first and switch its
Dock side
in the menu to a detached (floating) windowin the now detached devtools press CtrlShifti or ⌘⌥i on MacOS,
which will open devtools-on-devtools in a new window