Adds Special Respawn, spawns a new disk if the old one was deleted (#12762)

* Spawns a new disk if one was deleted

* Adds tiledef to space checks, also adds a way to randomly check for a respawn point on station

* Removes unused method

* Cuts down on tile checks needed by checking surrounding tiles first

* Fixes up an issue where the coords wouldn't spawn

* Removes disk system, adds special respawning system and comp

* Fixes spelling error

* Fixes linter issue

* Maybe fixes the linter with a ref event?

* Empty commit to rerun tests

* Maybe fix?

* check for deleted grid

* Moves shutdown code to terminating code

* Customtypeseralizer

* changes name of datafield

* Removes owning station references

* Trying the queue event again

Content.Shared/Respawn/SharedSpecialRespawnSystem.cs

@@ -0,0 +1,6 @@
+namespace Content.Shared.Respawn;
+
+public abstract class SharedSpecialRespawnSystem : EntitySystem
+{
+
+}