Fix: Memory leak writing to builtin attribute with wrong type

The store named attribute node creates a new buffer to evaluate
the field into. When creating the attribute with that buffer fails,
if must be freed.

source/blender/nodes/geometry/nodes/node_geo_store_named_attribute.cc

@@ -118,7 +118,9 @@ static void try_capture_field_on_geometry(GeometryComponent &component,
     MEM_freeN(buffer);
   }
   else {
-    component.attribute_try_create(name, domain, data_type, AttributeInitMove{buffer});
+    if (!component.attribute_try_create(name, domain, data_type, AttributeInitMove{buffer})) {
+      MEM_freeN(buffer);
+    }
   }
 }