RestoreDashboards: Create trash section (#88278)

* feat: add feature toggle to docs

* feat: create page in BE

* feat: create page in FE

* refactor: set feat toggle as a condition

* refactor

* refactor

* refactor

* feat: add permission conditions

* refactor

* feat: add subtitle to translations

* feat: add to codeowners

* refactor: fix docs situation

* refactor

* Merge main branch into feat branch

.github/CODEOWNERS

@@ -435,6 +435,7 @@ playwright.config.ts @grafana/plugins-platform-frontend
 /public/app/features/transformers/timeSeriesTable/ @grafana/dataviz-squad @grafana/app-o11y-visualizations
 /public/app/features/users/ @grafana/identity-access-team
 /public/app/features/variables/ @grafana/dashboards-squad
+/public/app/features/trash-section/ @grafana/grafana-frontend-platform
 /public/app/plugins/panel/alertlist/ @grafana/alerting-frontend
 /public/app/plugins/panel/annolist/ @grafana/grafana-frontend-platform
 /public/app/plugins/panel/barchart/ @grafana/dataviz-squad