Manual import offsets now apply on object placements for efficiency.

Immediately redraw the Library panel on load

This improves interface responsiveness.
Previously you would have to hover your mouse over the panel
After import to see the contents of the library visually update.

Improve mesh IFC Representation User Experience (IfcOpenShell#1710)

* Must be in object mode to update representation
This may prevent random CTDs due to invalidated data

* Use self.file instead of re-fetching from IfcStore

* Keep ifc parameters expanded when updating representation

* Clear previous ifc parameters when re-fetching

Fix IfcOpenShell#1707. Fix bug where project library browser could se…

…lf reference.

Minor fix

You can now edit resource base quantity

You can now edit nested arithmetic cost values by using spreadsheet-l…

…ike formulas

Only equipment and labour resources can now have time-based usages

You can now parametrically derive task durations from resource utilis…

…ation

Block the user from creating sub resources under a subcontract resource.