fix(custom-widgets): refine v2 authoring

packages/widgets/src/_inputs/widget-custom-widget-select-input.tsx

@@ -157,8 +157,6 @@ export const WidgetCustomWidgetSelectInput = ({
                     selected.requestCapabilities.map((request) => [request.id, { loading: true }]),
                   ),
                   options: selected.defaultOptions,
-                  stateSchema: selected.stateSchema,
-                  defaultState: selected.defaultState,
                   requestCapabilities: selected.requestCapabilities,
                   previewSessionId: "widget-picker",
                   queriesDisabled: true,

packages/widgets/src/custom-api/custom-jsx-display.tsx

@@ -44,9 +44,6 @@ export default function CustomJsxDisplay({ data }: { data: Record<string, unknow
         ...Object.fromEntries(Object.entries(queryState).map(([id, value]) => [id, value.status])),
       }}
       options={isRecord(data.options) ? data.options : {}}
-      stateSchema={isStringRecord(data.stateSchema) ? data.stateSchema : {}}
-      defaultState={isRecord(data.defaultState) ? data.defaultState : {}}
-      onStateChange={typeof data.onStateChange === "function" ? (data.onStateChange as never) : undefined}
       requestCapabilities={capabilities}
       components={components}
       createBindings={SAFE_BINDINGS}
@@ -90,7 +87,3 @@ function sameStatus(left: CustomWidgetPublishedQueryState["status"], right: Cust
 function isRecord(value: unknown): value is Record<string, unknown> {
   return value !== null && typeof value === "object" && !Array.isArray(value);
 }
-
-function isStringRecord(value: unknown): value is Record<string, string> {
-  return isRecord(value) && Object.values(value).every((entry) => typeof entry === "string");
-}