LibraryListController::createItems is getting called a lot more often than it should be

[evanweaver]

[asparke2]

@evanweaver I assume this was filed because it causes a major slowdown?

[evanweaver]

@asparke2 I don't think it causes a "major" slowdown, it's just inefficient.

[macumber]

I would classify this as low hanging fruit for speed improvements