Feature: NewGRF callback profiling (#7868)

Adds a console command newgrf_profile to collect some profiling data about NewGRF action 2 callbacks and produce a CSV file.

src/spritecache.h

@@ -30,6 +30,7 @@ bool SpriteExists(SpriteID sprite);
 
 SpriteType GetSpriteType(SpriteID sprite);
 uint GetOriginFileSlot(SpriteID sprite);
+uint32 GetSpriteLocalID(SpriteID sprite);
 uint GetSpriteCountForSlot(uint file_slot, SpriteID begin, SpriteID end);
 uint GetMaxSpriteID();