Autosave Improvements + Fixes — Supermarket Together Steam update #790789

A way to reduce the lag spike when the announcement plays is still being considered. Have tested an optional system but deprecated it when also introduced even heavier lag, will have to tweak the current implementation. A reminder that in order to load the latest autosave the new tab that appears at the right side of the Load Store menu must be used. Clicking ‘Continue’ in the usual store menu will start that day from the beginning. Changelog: - Autosave will now try to spawn boxes that were left lying around in the store or outside, up to 250 for now to avoid loading performance problems. - Autosave now remembers if there are boxes to spawn left from shopping list after acquiring them and will continue to spawn them. - Autosave should now also set wether checkouts lanes are opened or closed. - Employees assigned to ordering should now drop boxes in storage on floor if it’s the last prod...