World minor changes (#519)

* x2 weather time

* remove alchemy test and battle royale maps, add simple island map

* island map + ocean parallax

* map floor occluder sys

* undercliff test

* update sand and ocean sprite

* Revert "undercliff test"

This reverts commit c484fe630a.

* more experiments

* Revert "more experiments"

This reverts commit a7f30fd608.

* Update default.yml

* Update debug.yml

Resources/Prototypes/Entities/Markers/Spawners/jobs.yml

@@ -14,6 +14,7 @@
 - type: entity
   name: observer spawn point
   id: SpawnPointObserver
+  categories: [ ForkFiltered ]
   parent: MarkerBase
   components:
   - type: Sprite
@@ -29,6 +30,7 @@
 - type: entity
   name: latejoin spawn point
   id: SpawnPointLatejoin
+  categories: [ ForkFiltered ]
   parent: SpawnPointJobBase
   components:
   - type: Sprite