Add GetBaseName method to NameModifierSystem (#35633)

* Add GetBaseName method to NameModifierSystem

* Use Name

Content.Shared/NameModifier/EntitySystems/NameModifierSystem.cs

@@ -32,6 +32,18 @@ public sealed class NameModifierSystem : EntitySystem
         Dirty(entity);
     }
 
+    /// <summary>
+    /// Returns the base name of the entity, without any modifiers applied.
+    /// If the entity doesn't have a <see cref="NameModifierComponent"/>,
+    /// this returns the entity's metadata name.
+    /// </summary>
+    public string GetBaseName(Entity<NameModifierComponent?> entity)
+    {
+        if (Resolve(entity, ref entity.Comp, logMissing: false))
+            return entity.Comp.BaseName;
+        return Name(entity);
+    }
+
     /// <summary>
     /// Raises a <see cref="RefreshNameModifiersEvent"/> to gather modifiers and
     /// updates the entity's name to its base name with modifiers applied.