feat(custom-widgets): improve authoring workbench (#6689)

* feat(custom-widgets): improve authoring workbench

* fix(custom-widgets): address review and CI

* refactor(custom-widgets): satisfy architecture checks

* fix(custom-widgets): isolate workbench typing updates

* fix(custom-widgets): harden workbench state

packages/custom-widgets/src/runtime/input-state-utils.ts

@@ -0,0 +1,19 @@
+import type { WidgetInputType, WidgetInputValue } from "../jsx/runtime-components";
+
+export function sameStringArray(left: string[], right: string[]) {
+  return left.length === right.length && left.every((value, index) => value === right[index]);
+}
+
+export function sameTypeRecord(left: Record<string, WidgetInputType>, right: Record<string, WidgetInputType>) {
+  const leftEntries = Object.entries(left);
+  const rightEntries = Object.entries(right);
+  return leftEntries.length === rightEntries.length && leftEntries.every(([name, type]) => right[name] === type);
+}
+
+export function sameInputRecord(left: Record<string, WidgetInputValue>, right: Record<string, WidgetInputValue>) {
+  const leftEntries = Object.entries(left);
+  const rightEntries = Object.entries(right);
+  return (
+    leftEntries.length === rightEntries.length && leftEntries.every(([name, value]) => Object.is(right[name], value))
+  );
+}