Revert "fix: resolve all ESLint errors in backend and frontend"

This reverts commit 07dfd7e840.

paperless-backend/src/settings/settings.controller.ts

@@ -22,7 +22,10 @@ import { PaperlessService } from '../paperless/paperless.service';
 import { Client } from '../database/entities/client.entity';
 import { Setting } from '../database/entities/setting.entity';
 import { CorrespondentSetting } from '../database/entities/correspondent-setting.entity';
-import { InboxPostprocessingAction } from '../database/entities/inbox-postprocessing-action.entity';
+import {
+  InboxPostprocessingAction,
+  type InboxActionType,
+} from '../database/entities/inbox-postprocessing-action.entity';
 import { ExportService } from '../postprocessing/export.service';
 import { RequirePermissions } from '../auth/permissions.decorator';
 import { Permission } from '../auth/permissions.enum';