Chat wire protocol (#3125)

* core: remove file extension from emoji name

* web: transform emotes to labels when sending

* chat: replace br with line break

* core: implement emoji cache

* chat: send shortcodes for custom emoji

* chat: correct esling errors

* core: move emoji injection into dedicated function

* emoji: integrate emoji into markdown renderer, fix formatting

* chat protocol: correct golangci-lint findings

* chat field: specify that the contentEditable is an HTMLElement

* admin: mention that emoji should have unique names

* Prettified Code!

* regenerate pack-lock

* chat: correct the emphasis tag, provide fallback for other elements

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Co-authored-by: jprjr <jprjr@users.noreply.github.com>

web/package.json

@@ -30,6 +30,7 @@
 		"chart.js": "^4.2.0",
 		"classnames": "2.3.2",
 		"date-fns": "^2.29.3",
+		"grapheme-splitter": "^1.0.4",
 		"interweave": "^13.0.0",
 		"interweave-autolink": "^5.1.0",
 		"lodash": "4.17.21",