Improve bundle size, dynamic imports & remove parse5 (#10865)

* Remove unused import

* Lazy load tar-js and pako for rageshakes

* Update cheerio imports

* Replace parse5 with DOMParser

* Remove stale comment

package.json

@@ -102,7 +102,6 @@
         "minimist": "^1.2.5",
         "opus-recorder": "^8.0.3",
         "pako": "^2.0.3",
-        "parse5": "^6.0.1",
         "png-chunks-extract": "^1.0.0",
         "posthog-js": "1.53.2",
         "proposal-temporal": "^0.9.0",
@@ -164,7 +163,6 @@
         "@types/node": "^16",
         "@types/node-fetch": "^2.6.2",
         "@types/pako": "^2.0.0",
-        "@types/parse5": "^6.0.0",
         "@types/qrcode": "^1.3.5",
         "@types/react": "17.0.58",
         "@types/react-beautiful-dnd": "^13.0.0",