fix mysql migrations (#2347)

ErsatzTV.Infrastructure.MySql/ErsatzTV.Infrastructure.MySql.csproj

@@ -18,7 +18,7 @@
     <ItemGroup>
         <PackageReference Include="EFCore.BulkExtensions.MySql" Version="8.1.3" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="9.0.8" />
-        <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="9.0.0-rc.1.efcore.9.0.0" />
+        <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="9.0.0" />
     </ItemGroup>
 
 </Project>

ErsatzTV.Infrastructure.MySql/Migrations/20250814003609_Fix_TemplateUniqueConstraints.cs

@@ -14,10 +14,18 @@ namespace ErsatzTV.Infrastructure.MySql.Migrations
                 name: "IX_Template_Name",
                 table: "Template");
 
+            migrationBuilder.DropForeignKey(
+                name: "FK_Template_TemplateGroup_TemplateGroupId",
+                table: "Template");
+
             migrationBuilder.DropIndex(
                 name: "IX_Template_TemplateGroupId",
                 table: "Template");
 
+            migrationBuilder.DropForeignKey(
+                name: "FK_DecoTemplate_DecoTemplateGroup_DecoTemplateGroupId",
+                table: "DecoTemplate");
+
             migrationBuilder.DropIndex(
                 name: "IX_DecoTemplate_DecoTemplateGroupId",
                 table: "DecoTemplate");
@@ -37,6 +45,22 @@ namespace ErsatzTV.Infrastructure.MySql.Migrations
                 table: "DecoTemplate",
                 columns: new[] { "DecoTemplateGroupId", "Name" },
                 unique: true);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Template_TemplateGroup_TemplateGroupId",
+                table: "Template",
+                column: "TemplateGroupId",
+                principalTable: "TemplateGroup",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_DecoTemplate_DecoTemplateGroup_DecoTemplateGroupId",
+                table: "DecoTemplate",
+                column: "DecoTemplateGroupId",
+                principalTable: "DecoTemplateGroup",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
         }
 
         /// <inheritdoc />