Add stacktrace to error response

cmd/web-app/templates/content/error-generic.gohtml

@@ -10,6 +10,9 @@
             {{ if .Details }}
                 <p class="text-gray-500 mb-0">{{ .Details }}</p>
             {{ end }}
+            {{ if .StackTrace }}
+                <p class="text-gray-500 mb-0">{{ .StackTrace }}</p>
+            {{ end }}
         </div>
     </div>
 {{ end }}

internal/platform/web/response.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"html/template"
 	"net/http"
 	"os"
 	"path"
@@ -200,7 +201,8 @@ func RenderError(ctx context.Context, w http.ResponseWriter, r *http.Request, er
 	data := map[string]interface{}{
 		"StatusCode": resp.StatusCode,
 		"Error":      resp.Error,
-		"Details":    resp.Details,
+		"Details":    template.HTML(resp.Details),
+		"StackTrace": template.HTML(resp.StackTrace),
 		"Fields":     resp.Fields,
 	}