fix: add better warning when defaultDateType is not set due to upgrade

Jacky Zhao

2023-08-24 6cd0612d40a5011f19f5ca2e5e804477779e393f

 quartz/components/styles/darkmode.scss

@@ -2,7 +2,7 @@
  position: relative;
  width: 20px;
  height: 20px;
  margin: 1rem;
  margin: 0 10px;

  & > .toggle {
    display: none;