ui: add matchMedia().addEventListener polyfill

.vscode/settings.json

@@ -3,8 +3,6 @@
     "files.encoding": "utf8",
     "files.eol": "\n",
     "editor.detectIndentation": true,
-    "editor.formatOnSave": true,
-    "editor.renderWhitespace": "boundary",
     "typescript.tsdk": "node_modules/typescript/lib",
     "[json]": {
         "files.insertFinalNewline": true,