Fix namespace typo and modernize sample data generation

Corrected 'ConfictHandling' to 'ConflictHandling' across files.
Updated sample data creation to use C# 12 collection expressions
for improved clarity and conciseness.

Author: christiannagel

2_Libs/EFCore/ConflictHandling-FirstWins/Book.cs

@@ -1,5 +1,5 @@
 using System.ComponentModel.DataAnnotations;
-namespace ConfictHandling;
+namespace ConflictHandling;
 
 public class Book(string title, string? publisher = default, int bookId = default)
 {

2_Libs/EFCore/ConflictHandling-FirstWins/BooksContext.cs

@@ -1,4 +1,4 @@
-namespace ConfictHandling;
+namespace ConflictHandling;
 
 public class BooksContext(DbContextOptions<BooksContext> options) : DbContext(options)
 {
@@ -14,8 +14,7 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
     }
 
     private static IEnumerable<Book> GetSampleBooks()
-        => Enumerable.Range(1, 100)
-        .Select(id => new Book($"title {id}", "sample", id)).ToArray();
+        => [.. Enumerable.Range(1, 100).Select(id => new Book($"title {id}", "sample", id))];
 
     public DbSet<Book> Books => Set<Book>();
 }

2_Libs/EFCore/ConflictHandling-FirstWins/GlobalUsings.cs

@@ -1,4 +1,4 @@
-global using ConfictHandling;
+global using ConflictHandling;
 
 global using Microsoft.EntityFrameworkCore;
 global using Microsoft.EntityFrameworkCore.ChangeTracking;

2_Libs/EFCore/ConflictHandling-FirstWins/Runner.cs

@@ -1,4 +1,4 @@
-namespace ConfictHandling;
+namespace ConflictHandling;
 
 public class Runner(BooksContext booksContext)
 {

2_Libs/EFCore/ConflictHandling-LastWins/BooksContext.cs

@@ -10,8 +10,7 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
     }
 
     private Book[] GetSampleBooks()
-        => Enumerable.Range(1, 100)
-        .Select(id => new Book($"title {id}", "sample", id)).ToArray();
+        => [.. Enumerable.Range(1, 100).Select(id => new Book($"title {id}", "sample", id))];
 
     public DbSet<Book> Books => Set<Book>();
 }

2_Libs/EFCore/Models/MenusContext.cs

@@ -37,7 +37,7 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
     private IEnumerable<dynamic> GetInitialMenus(dynamic card, Guid restaurantId)
     {
         DateTime now = DateTime.Now;
-        return Enumerable.Range(1, 20).Select(id => new
+        return [.. Enumerable.Range(1, 20).Select(id => new
         {
             MenuItemId = id,
             Text = $"menu {id}",
@@ -46,7 +46,7 @@ private IEnumerable<dynamic> GetInitialMenus(dynamic card, Guid restaurantId)
             LastUpdated = now,
             card.MenuCardId,
             RestaurantId = restaurantId
-        }).ToArray();
+        })];
     }
 
     public override Task<int> SaveChangesAsync(CancellationToken cancellationToken = default)