Update swagger config to use proper URL scheme (#744)

appveyor.yml

@@ -86,7 +86,7 @@ build_script:
       $env:swaggerGen = "true"
       $env:ASPNETCORE_ENVIRONMENT = "Production"
       cd .\src\Api
-      dotnet swagger tofile --output ..\..\swagger.json --host api.bitwarden.com `
+      dotnet swagger tofile --output ..\..\swagger.json --host https://api.bitwarden.com `
         .\bin\Debug\netcoreapp3.1\Api.dll public
       cd ..\..
       $env:ASPNETCORE_ENVIRONMENT = ""

src/Api/Startup.cs

@@ -188,12 +188,10 @@ namespace Bit.Api
                 app.UseSwagger(config =>
                 {
                     config.RouteTemplate = "specs/{documentName}/swagger.json";
-                    var host = globalSettings.BaseServiceUri.Api.Replace("https://", string.Empty)
-                        .Replace("http://", string.Empty);
                     config.PreSerializeFilters.Add((swaggerDoc, httpReq) =>
                         swaggerDoc.Servers = new List<OpenApiServer>
                         {
-                            new OpenApiServer { Url = $"{httpReq.Scheme}://{host}" }
+                            new OpenApiServer { Url = globalSettings.BaseServiceUri.Api }
                         });
                 });
                 app.UseSwaggerUI(config =>