feat(employees): Добавил возможность поиска сотрудников по имени с учетом пустого значения и включил сортировку по фио

SfeduSchedule/Controllers/ScheduleController.cs

@@ -1,4 +1,3 @@
-using System.ComponentModel.DataAnnotations;
 using System.Text;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
@@ -46,7 +45,7 @@ public class ScheduleController(ModeusService modeusService, ModeusEmployeeServi
     /// <response code="503">Сервис сотрудников не инициализирован</response>
     [HttpGet]
     [Route("searchemployee")]
-    public async Task<IActionResult> SearchEmployees([Required][MinLength(1)] string fullname)
+    public async Task<IActionResult> SearchEmployees(string fullname = "")
     {
         if (!modeusEmployeeService.IsInitialized())
             return StatusCode(503, "Сервис сотрудников не инициализирован, попробуйте позже.");

SfeduSchedule/Services/ModeusEmployeeService.cs

@@ -6,15 +6,22 @@ namespace SfeduSchedule.Services;
 public class ModeusEmployeeService(ISchedulerFactory schedulerFactory)
     : IHostedService
 {
-    private Dictionary<string, (string, List<string>)> _employees = [];
+    private Dictionary<string, (string, List<string>)> _employees = []; // 
     private Task? _backgroundTask;
     private CancellationTokenSource? _cts;
     private readonly string _employeesFilePath = Path.Combine(Path.Combine(AppContext.BaseDirectory, AppConsts.DataFolderName), AppConsts.EmployeesFileName);
 
     public async Task<Dictionary<string, (string, List<string>)>> GetEmployees(string fullname, int size = 10)
     {
+        if (string.IsNullOrEmpty(fullname))
+            return _employees
+                .OrderBy(e => e.Key)
+                .Take(size)
+                .ToDictionary(e => e.Key, e => e.Value);
+        
         return _employees
             .Where(e => e.Key.Contains(fullname, StringComparison.OrdinalIgnoreCase))
+            .OrderBy(e => e.Key)
             .Take(size)
             .ToDictionary(e => e.Key, e => e.Value);
     }