feat(spec): add desc, class, clickable, enabled, checked, focused, selected to AccessibilityElement

Runtime fields set by the verifier were missing from the TypeScript type,
causing linting errors on el.desc and related accesses in specs.

pkg/spec/src/types.ts

@@ -3,6 +3,13 @@ export type Snapshots = Record<string, unknown>;
 export interface AccessibilityElement {
   id?: string;
   text?: string;
+  desc?: string;
+  class?: string;
+  clickable?: boolean;
+  enabled?: boolean;
+  checked?: boolean;
+  focused?: boolean;
+  selected?: boolean;
   bounds?: { left: number; top: number; right: number; bottom: number };
   x?: number;
   y?: number;