Xeno spitter fixes (#18573)

* Xeno spitter fixes

- Require hands for pickup compounds
- Ranged combat can force movement to ignore LOS checks if ranged wants better LOS.

* Also spirates

IDK how this worked before but TryGetGun shouldn't care about combatmode.

* 1 more

Content.Shared/Weapons/Ranged/Systems/SharedGunSystem.cs

@@ -126,8 +126,11 @@ public abstract partial class SharedGunSystem : EntitySystem
         var user = args.SenderSession.AttachedEntity;
 
         if (user == null ||
+            !_combatMode.IsInCombatMode(user) ||
             !TryGetGun(user.Value, out var ent, out var gun))
+        {
             return;
+        }
 
         if (ent != msg.Gun)
             return;
@@ -165,9 +168,6 @@ public abstract partial class SharedGunSystem : EntitySystem
         gunEntity = default;
         gunComp = null;
 
-        if (!_combatMode.IsInCombatMode(entity))
-            return false;
-
         if (EntityManager.TryGetComponent(entity, out HandsComponent? hands) &&
             hands.ActiveHandEntity is { } held &&
             TryComp(held, out GunComponent? gun))