fix(Core/Vmaps): Stop M2s from occluding for spellcast LoS. Original autho… (#11341)

* Core/Vmaps: Stop M2s from occluding for spellcast LoS. Original authors: @Shauren & @HelloKitty

Fixes #11293

* buildfix.

Co-Authored-By: HelloKitty <5829095+HelloKitty@users.noreply.github.com>

src/server/game/Entities/GameObject/GameObject.h

@@ -647,6 +647,25 @@ struct GameObjectTemplate
     {
         return IsForQuests;
     }
+
+    [[nodiscard]] bool IsIgnoringLOSChecks() const
+    {
+        switch (type)
+        {
+            case GAMEOBJECT_TYPE_BUTTON:
+                return button.losOK == 0;
+            case GAMEOBJECT_TYPE_QUESTGIVER:
+                return questgiver.losOK == 0;
+            case GAMEOBJECT_TYPE_CHEST:
+                return chest.losOK == 0;
+            case GAMEOBJECT_TYPE_GOOBER:
+                return goober.losOK == 0;
+            case GAMEOBJECT_TYPE_FLAGSTAND:
+                return flagstand.losOK == 0;
+            default:
+                return false;
+        }
+    }
 };
 
 // From `gameobject_template_addon`