Rename several node graph structs/fields

frontend/src/components/widgets/WidgetSpan.svelte

@@ -87,7 +87,6 @@
 </script>
 
 <!-- TODO: Refactor this component to use `<svelte:component this={attributesObject} />` to avoid all the separate conditional components -->
-<!-- TODO: Also rename this component, and probably move the `widget-${direction}` wrapper to be part of `WidgetLayout.svelte` as part of its refactor -->
 
 <div class={`widget-span ${className} ${extraClasses}`.trim()} class:row={direction === "row"} class:column={direction === "column"}>
 	{#each widgetsAndNextSiblingIsSuffix as [component, nextIsSuffix], index}