Shotgun nerfs (#8590)

- Bojevic firerate dropped from 3 to 2
- Pellet damage from 13 to 8 (3 shotting players instead of 2 shot)
- Slightly more spread in line with the design doc. Slug spread I made as accurate as an SMG (so not quite full-screen mob hits but pretty close).

Resources/Prototypes/Entities/Objects/Weapons/Guns/Ammunition/Cartridges/shotgun.yml

@@ -10,6 +10,7 @@
     - ShellShotgun
   - type: CartridgeAmmo
     count: 6
+    spread: 15
     soundEject:
       collection: ShellEject
   - type: Sprite
@@ -46,7 +47,7 @@
   - type: CartridgeAmmo
     proto: PelletShotgunSlug
     count: 4
-    spread: 2.5
+    spread: 5
 
 - type: entity
   id: ShellShotgunFlare

Resources/Prototypes/Entities/Objects/Weapons/Guns/Ammunition/Projectiles/shotgun.yml

@@ -10,7 +10,7 @@
   - type: Projectile
     damage:
       types:
-        Piercing: 13
+        Piercing: 8  # Should have the same or less damage than a regular pellet
 
 - type: entity
   id: PelletShotgunBeanbag
@@ -41,7 +41,7 @@
   - type: Projectile
     damage:
       types:
-        Piercing: 13
+        Piercing: 8
 
 - type: entity
   id: PelletShotgunFlash

Resources/Prototypes/Entities/Objects/Weapons/Guns/Shotguns/shotguns.yml

@@ -51,7 +51,7 @@
     sprite: Objects/Weapons/Guns/Shotguns/bojevic.rsi
     size: 24
   - type: Gun
-    fireRate: 3
+    fireRate: 2
     selectedMode: FullAuto
     availableModes:
     - FullAuto