feat: edit print templates on the printer page and store them on presets

Co-authored-by: Cursor <cursoragent@cursor.com>

Data/Migrations/AppDbContextModelSnapshot.cs

@@ -197,8 +197,9 @@ namespace Data.Migrations
                         .HasMaxLength(100)
                         .HasColumnType("TEXT");
 
-                    b.Property<int>("NoteId")
-                        .HasColumnType("INTEGER");
+                    b.Property<string>("TemplateMarkdown")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
 
                     b.Property<DateTime>("UpdatedAt")
                         .HasColumnType("TEXT");
@@ -208,8 +209,6 @@ namespace Data.Migrations
                     b.HasIndex("Name")
                         .IsUnique();
 
-                    b.HasIndex("NoteId");
-
                     b.ToTable("PrintPresets");
                 });
 
@@ -503,17 +502,6 @@ namespace Data.Migrations
                     b.Navigation("Note");
                 });
 
-            modelBuilder.Entity("Core.Entities.PrintPreset", b =>
-                {
-                    b.HasOne("Core.Entities.Note", "Note")
-                        .WithMany()
-                        .HasForeignKey("NoteId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.Navigation("Note");
-                });
-
             modelBuilder.Entity("Core.Entities.StudentEventRanking", b =>
                 {
                     b.HasOne("Core.Entities.EventDefinition", "EventDefinition")