Co-authored-by: Guilherme Gazzo <guilhermegazzo@gmail.com>

* Add escapeHTML helper

* Add unescapeHTML helper

* Move helpers to /lib

* Use the helpers

* feat/message-parsing

* Make escapeRegExp match its underscore.string counterpart

* Remove superfluous parameter

* Remove redundant function definition

* Work around oembed bug

* Refactor autolinker initialization

* Refactor autolinker initialization

* Refactor hexcolor initialization

* Refactor emoji initialization

* Refactor highlight-words initialization

* Refactor issuelinks initialization

* Refactor mentions initialization

* Refactor mapview initialization

* Remove trackSettingsChange module

* Remove some s.trim() usage

* Move renderMessageBody

* Move some renderMessage startup scripts

* Refactor katex startup

* Move some renderMessage startup scripts

* Move some spotify modules

* Fix reactivity

* Move spotify initialization

* Move markdown initialization

* Update Mocha configuration

* Rearrange renderMessageBody signature

* Move markdown template helpers

* Remove markdown template helpers

* Extract options from markdown

* Fix import

* Render message.location's mapview on message template

* Conditionally render message location

Co-authored-by: Guilherme Gazzo <guilherme@gazzo.xyz>

Co-authored-by: Tasso Evangelista <tasso.evangelista@rocket.chat>

Co-authored-by: Guilherme Gazzo <guilhermegazzo@gmail.com>

* Enable typescript lint

* Move eslint-plugin-import to deve section

This reverts commit b395b503.

* path to improve emoji render

* Apply suggestions from code review

Co-Authored-By: Tasso Evangelista <tasso.evangelista@rocket.chat>

* Prevent errors when allowing anonymous read

* getSingleMessage for anonymous users

* Fix register user when allow read and write anonymous is enabled

* Fix anonymous with sidebar extended as default

Co-authored-by: ubergeekzone <ubergeekzone@gmail.com>

* Prevent errors when allowing anonymous read

* getSingleMessage for anonymous users

* Fix register user when allow read and write anonymous is enabled

* Fix anonymous with sidebar extended as default

Co-authored-by: ubergeekzone <ubergeekzone@gmail.com>

* fix emoji big

* improve render performance

* Memoize two more functions

* fix multiple big emojis

* Fix new eslint rules

* Fix eslint rules:

no-unsafe-finally
no-await-in-loop

* More and more rules

* Fix changes after lint fixes

* Fix import orders

* New eslint rules

operator-linebreak
new-parens

* New eslint rule: no-useless-computed-key

* New eslint rule: no-useless-constructor

* Fix after develop merge

* Update lint package and fix new code

* Move .inline-image out .body

* Make emoji parser aware it is checking DOM nodes instead of elements

* Render thread title in thread tab as HTML

<!-- INSTRUCTION: Your Pull Request name should start with one of the following tags -->
<!-- [NEW] For new features -->
<!-- [FIX] For bug fixes -->
<!-- [BREAK] For pull requests including breaking changes -->

<!-- INSTRUCTION: Inform the issue number that this PR closes, or remove the line below -->


<!-- INSTRUCTION: Link to a https://github.com/RocketChat/docs PR with added/updated documentation or an update to the missing/outdated documentation list, see https://rocket.chat/docs/contributing/documentation/  -->

<!-- INSTRUCTION: Tell us more about your PR with screen shots if you can -->