Fix command palette keyboard navigation (#1304)

src/ui/lib/app-keyboard-shortcuts.ts

@@ -0,0 +1,20 @@
+export function isShiftKey(event: Pick<KeyboardEvent, "key" | "code">) {
+  return (
+    event.key === "Shift" ||
+    event.code === "ShiftLeft" ||
+    event.code === "ShiftRight"
+  );
+}
+
+export function dispatchCtrlW(target: EventTarget | null) {
+  if (!target) return false;
+
+  const event = new KeyboardEvent("keydown", {
+    key: "w",
+    code: "KeyW",
+    ctrlKey: true,
+    bubbles: true,
+    cancelable: true,
+  });
+  return !target.dispatchEvent(event);
+}