fix vbox separation in sections with PROPERTY_USAGE_ARRAY

editor/editor_inspector.cpp

@@ -3440,6 +3440,8 @@ void EditorInspector::update_tree() {
 		// Recreate the category vbox if it was reset.
 		if (category_vbox == nullptr) {
 			category_vbox = memnew(VBoxContainer);
+			int separation = get_theme_constant(SNAME("v_separation"), SNAME("EditorInspector"));
+			category_vbox->add_theme_constant_override(SNAME("separation"), separation);
 			category_vbox->hide();
 			main_vbox->add_child(category_vbox);
 		}