NEW HOME: Show "Expand All" button

[#1]

I found out today that you can shift-click on any grouping header in Home to collape or expand everything -- it would be great if this was surfaced as an actual expand/collapse button or icon in the UI because this is a great piece of functionality.

[#2]

I'd also like to add an expand all feature to the resourcing tools (e.g. Resource Planner).

For example, if I shift-click on a project I would get it immediately auto-expanded down to this level, rather than doing it all manually: