feat(explorer): improve accessibility and consistency (+ bug fix) (#488)

* feat(consistency): use `all: unset` on button

* style: improve accessibility and consistency for explorer

* fix: localStorage bug with folder name changes

* chore: bump quartz version

package.json

@@ -2,7 +2,7 @@
   "name": "@jackyzha0/quartz",
   "description": "🌱 publish your digital garden and notes as a website",
   "private": true,
-  "version": "4.0.11",
+  "version": "4.1.0",
   "type": "module",
   "author": "jackyzha0 <j.zhao2k19@gmail.com>",
   "license": "MIT",