Fixes and improvements from Shaded Hills playtesting, June 23, 2024

[out-of-phaze]

Description of changes

• Fixes north-facing pew icons being flipped
• Fixes drakes being unable to eat plant products due to a missing parent call
• Makes drop sounds properly play when placing objects on turfs/tables with throw mode
• Improves direction autoset for structure doors
• Fixes maptext briefly appearing when stacks are dropped or placed on a turf
• Makes add_to_stacks report the amount transferred into each stack
• Fixes generic wood handles on certain tools in Shaded Hills loadout
• Makes the loadout shovel on Shaded Hills all one material

Why and what will this PR improve

Some tweaks, fixes, and improvements for things found in Shaded Hills playtesting.