feat: delete workspace member (#987)

* add delete user endpoint (server)

* delete user (UI)

* prevent token generation

* more checks

apps/server/src/core/search/search.service.ts

@@ -84,6 +84,7 @@ export class SearchService {
         .select(['id', 'name', 'avatarUrl'])
         .where((eb) => eb(sql`LOWER(users.name)`, 'like', `%${query}%`))
         .where('workspaceId', '=', workspaceId)
+        .where('deletedAt', 'is', null)
         .limit(limit)
         .execute();
     }