MM-38745 feat: Add dont clear option for DND (#26334)

* feat: Add dont clear option for DND

* Merge conflicts fixed

* ci: lint, types, i18n fix

* refactor: Remove unused code

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Co-authored-by: Mattermost Build <build@mattermost.com>

webapp/platform/types/src/users.ts

@@ -82,6 +82,7 @@ export type UsersState = {
     filteredStats: Partial<UsersStats>;
     myUserAccessTokens: Record<string, UserAccessToken>;
     lastActivity: RelationOneToOne<UserProfile, number>;
+    dndEndTimes: RelationOneToOne<UserProfile, number>;
 };
 
 export type UserTimezone = {