fix(search): null checks and focus fixes

Jacky Zhao

2024-02-02 0a3379a8530f365e2bd85e8ea20a1dfc8126c39c

 quartz/components/Header.tsx

@@ -9,7 +9,7 @@
  display: flex;
  flex-direction: row;
  align-items: center;
  margin: 2em 0;
  margin: 2rem 0;
  gap: 1.5rem;
}