Fix: NRE when calculating sand removal rate while sand grid is disabled

REVERT: Chore: Remove foggy sandstorms when ReGrowth is detected

Chore: Remove foggy sandstorms when ReGrowth is detected
Chore: Add example for sandstorm immune building flag

Change: Reduce base sand removal rate

Feature: Setting to disable clearing sand during sandstorms
Feature: Setting to allow for fallen sand on sand terrain

Refactor: Remove mountainness score in favor of just checking roof def
Refactor: Remove noise logic in favor of raw random number generation
Refactor: Move invocations to delegates
Refactor: Cache sub-tick calculated values
Refactor: Spread section forced regenerate out, preventing hitching
Change: Increase forced regenerate interval

Change: When building has interaction spot, consider it for sand breakdown logic rather than the buildings position (prevents nutrient paste dispensers from unreasonable breakage
Fix: Warning due to random element from empty collection

Mod Integration: Nature's Pretty Sweet

Fix: Forced section dirty on elapsed time not working

Change: Force clear weather when sandstorm game condition ends
Change: More clarity in the label / description for the incident that forces sandstorms