add CannotSuicide to queen and dragon (#17241)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Resources/Prototypes/Entities/Mobs/NPCs/xeno.yml

@@ -233,6 +233,9 @@
         - MobMask
         layer:
         - MobLayer
+  - type: Tag
+    tags:
+    - CannotSuicide
 
 - type: entity
   name: Ravager

Resources/Prototypes/Entities/Mobs/Player/dragon.yml

@@ -4,6 +4,7 @@
   suffix: ""
   name: space dragon
   description: A flying leviathan, loosely related to space carps.
+  abstract: true
   components:
   - type: GhostRole
     allowMovement: true
@@ -112,6 +113,9 @@
       icon: Interface/Actions/devour.png
       name: action-name-devour
       description: action-description-devour
+  - type: Tag
+    tags:
+    - CannotSuicide
 
 - type: entity
   parent: BaseMobDragon