fix/DF-531: Error stack traces (#1114)

* Add explicit dependency to hapi/hoek to force version 11.0.7

* Tidy up generic onPreResponse error logging

Author: davidjamesstone

designer/server/src/plugins/errorPage.ts

@@ -1,3 +1,4 @@
+import Boom from '@hapi/boom'
 import {
   type Request,
   type ResponseToolkit,
@@ -24,11 +25,10 @@ export default {
       server.ext('onPreResponse', (request: Request, h: ResponseToolkit) => {
         const response = request.response
 
-        if ('isBoom' in response && response.isBoom) {
+        if (Boom.isBoom(response)) {
           // An error was raised during
           // processing the request
           const statusCode = response.output.statusCode
-          const errorMessage = errorCodes.get(statusCode)
 
           if (statusCode === StatusCodes.NOT_FOUND.valueOf()) {
             request.logger.info(
@@ -40,21 +40,17 @@ export default {
               .code(statusCode)
           }
 
-          const logLevel =
-            statusCode === StatusCodes.NOT_FOUND.valueOf() ? 'info' : 'error'
-          request.logger[logLevel](
-            response,
-            statusCode === StatusCodes.NOT_FOUND.valueOf()
-              ? 'Resource not found'
-              : 'Unhandled error found'
-          )
+          request.logger.error(response, 'Unhandled error found')
+
+          const errorMessage = errorCodes.get(statusCode)
 
           if (errorMessage) {
             return h
               .view(statusCode.toString(), errorViewModel(errorMessage))
               .code(statusCode)
           }
         }
+
         return h.continue
       })
     }