prevent using holo inside containers (#32068)

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

Content.Server/Guardian/GuardianSystem.cs

@@ -80,6 +80,12 @@ namespace Content.Server.Guardian
             if (args.Handled)
                 return;
 
+            if (_container.IsEntityInContainer(uid))
+            {
+                _popupSystem.PopupEntity(Loc.GetString("guardian-inside-container"), uid, uid);
+                return;
+            }
+
             if (component.HostedGuardian != null)
                 ToggleGuardian(uid, component);
 

Resources/Locale/en-US/guardian/guardian.ftl

@@ -10,6 +10,7 @@ guardian-activator-empty-examine = [color=#ba1919]The injector is spent.[/color]
 guardian-activator-invalid-target = Only humans can be injected!
 guardian-no-soul = Your guardian has no soul.
 guardian-available = Your guardian now has a soul.
+guardian-inside-container = There's no room to release your guardian!
 
 ## Guardian entity specific