feat: dashboard widgets (#3362)

* fix: created dashboard, widgets and dashboard widget model

* fix: new user home dashboard

* chore: recent projects list

* chore: recent collaborators

* chore: priority order change

* chore: payload changes

* chore: collaborator's active issue count

* chore: all dashboard widgets added with services and typs

* chore: centered metric for pie chart

* chore: widget filters

* chore: created issue filter

* fix: created and assigned issues payload change

* chore: created issue payload change

* fix: date filter change

* chore: implement filters

* fix: added expansion fields

* fix: changed issue structure with relation

* chore: new issues response

* fix: project member fix

* chore: updated issue_relation structure

* chore: code cleanup

* chore: update issues response and added empty states

* fix: button text wrap

* chore: update empty state messages

* fix: filters

* chore: update dark mode empty states

* build-error: Type check in the issue relation service

* fix: issues redirection

* fix: project empty state

* chore: project member active check

* chore: project member check in state and priority

* chore: remove console logs and replace harcoded values with constants

* fix: code refactoring

* fix: key name changed

* refactor: mapping through similar components using an array

* fix: build errors

---------

Co-authored-by: Aaryan Khandelwal <aaryankhandu123@gmail.com>
Co-authored-by: gurusainath <gurusainath007@gmail.com>

apiserver/plane/app/serializers/__init__.py

@@ -68,7 +68,6 @@ from .issue import (
     IssueRelationSerializer,
     RelatedIssueSerializer,
     IssuePublicSerializer,
-    IssueRelationLiteSerializer,
 )
 
 from .module import (
@@ -120,3 +119,5 @@ from .notification import NotificationSerializer
 from .exporter import ExporterHistorySerializer
 
 from .webhook import WebhookSerializer, WebhookLogSerializer
+
+from .dashboard import DashboardSerializer, WidgetSerializer