[FEATURE] Enabled User @mentions and @mention-filters in core editor package (#2544)

* feat: created custom mention component

* feat: added mention suggestions and suggestion highlights

* feat: created mention suggestion list for displaying mention suggestions

* feat: created custom mention text component, for handling click event

* feat: exposed mention component

* feat: integrated and exposed `mentions` componenet with `editor-core`

* feat: integrated mentions extension with the core editor package

* feat: exposed suggestion types from mentions

* feat: added `mention-suggestion` parameters in `r-t-e` and `l-t-e`

* feat: added `IssueMention` model in apiserver models

* chore: updated activities background job and added bs4 in requirements

* feat: added mention removal logic in issue_activity

* chore: exposed mention types from `r-t-e` and `l-t-e`

* feat: integrated mentions in side peek view description form

* feat: added mentions in issue modal form

* feat: created custom react-hook for editor suggestions

* feat: integrated mention suggestions block in RichTextEditor

* feat: added `mentions` integration in `lite-text-editor` instances

* fix: tailwind loading nodemodules from packages

* feat: added styles for the mention suggestion list

* fix: update module import to resolve build failure

* feat: added mentions as an issue filter

* feat: added UI Changes to Implement `mention` filters

* feat: added `mentions` as a filter option in the header

* feat: added mentions in the filter list options

* feat: added mentions in default display filter options

* feat: added filters in applied and issue params in store

* feat: modified types for adding mentions as a filter option

* feat: modified `notification-card` to display message when it exists in object

* feat: rewrote user mention management upon the changes made in develop

* chore: merged debounce PR with the current PR for tracing changes

* fix: mentions_filters updated with the new setup

* feat: updated requirements for bs4

* feat: modified `mentions-filter` to remove many to many dependency

* feat: implemented list manipulation instead of for loop

* feat: added readonly functionality in `read-only` editor core

* feat: added UI Changes for read-only mode

* feat: added mentions store in web Root Store

* chore: renamed `use-editor-suggestions` hook

* feat: UI Improvements for conditional highlights w.r.t readonly in mentionNode

* fix: removed mentions from `filter_set` parameters

* fix: minor merge fixes

* fix: package lock updates

---------

Co-authored-by: sriram veeraghanta <veeraghanta.sriram@gmail.com>

yarn.lock

@@ -2460,6 +2460,11 @@
   resolved "https://registry.yarnpkg.com/@tiptap/extension-list-item/-/extension-list-item-2.1.12.tgz#3eb28dc998490a98f14765783770b3cf6587d39e"
   integrity sha512-Gk7hBFofAPmNQ8+uw8w5QSsZOMEGf7KQXJnx5B022YAUJTYYxO3jYVuzp34Drk9p+zNNIcXD4kc7ff5+nFOTrg==
 
+"@tiptap/extension-mention@^2.1.12":
+  version "2.1.12"
+  resolved "https://registry.yarnpkg.com/@tiptap/extension-mention/-/extension-mention-2.1.12.tgz#a395e7757b45630ec3047f14b0ba2dde8e1c9c93"
+  integrity sha512-Nc8wFlyPp+/48IpOFPk2O3hYsF465wizcM3aihMvZM96Ahic7dvv9yVptyOfoOwgpExl2FIn1QPjRDXF60VAUg==
+
 "@tiptap/extension-ordered-list@^2.1.12":
   version "2.1.12"
   resolved "https://registry.yarnpkg.com/@tiptap/extension-ordered-list/-/extension-ordered-list-2.1.12.tgz#f41a45bc66b4d19e379d4833f303f2e0cd6b9d60"
@@ -2582,7 +2587,7 @@
     "@tiptap/extension-strike" "^2.1.12"
     "@tiptap/extension-text" "^2.1.12"
 
-"@tiptap/suggestion@^2.1.7":
+"@tiptap/suggestion@^2.0.4", "@tiptap/suggestion@^2.1.7":
   version "2.1.12"
   resolved "https://registry.yarnpkg.com/@tiptap/suggestion/-/suggestion-2.1.12.tgz#a13782d1e625ec03b3f61b6839ecc95b6b685d3f"
   integrity sha512-rhlLWwVkOodBGRMK0mAmE34l2a+BqM2Y7q1ViuQRBhs/6sZ8d83O4hARHKVwqT5stY4i1l7d7PoemV3uAGI6+g==