fix(search): make closest sidebar z-index adjustment optional (closes #1905)

Jacky Zhao

2025-04-04 3ae89a1d16b4cdd642cac8bf080cfe952c93e278

 quartz/components/styles/toc.scss

@@ -5,7 +5,7 @@
  flex-direction: column;

  overflow-y: hidden;
  min-height: 4rem;
  min-height: 1.2rem;
  flex: 0 1 auto;
  &:has(button.toc-header.collapsed) {
    flex: 0 1 1.2rem;