Update namespace imports to match investigation findings

Co-authored-by: renemadsen <[email protected]>

Author: Copilot

eFormAPI/eFormAPI.Web/eFormAPI.Web.csproj

@@ -55,6 +55,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="10.0.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="10.0.0" />
     <PackageReference Include="Microsoft.Extensions.PlatformAbstractions" Version="1.1.0" />
+    <PackageReference Include="Microsoft.OpenApi" Version="2.3.0" />
     <PackageReference Include="Microting.eForm" Version="9.0.72" />
     <PackageReference Include="Microting.EformAngularFrontendBase" Version="9.0.59" />
     <PackageReference Include="Microting.eFormApi.BasePn" Version="9.0.62" />