feat: configuration to hook into XHR Error handling

* Error handling.

* Fix error handling, add redirect example.

* remove debugger

* docs: whitelabeling and httpErrorHandler

* bump dicomweb-client version

* bump cornerstone-wado-image-loader version

* Add more documentation around httpErrorHandler callback

* test: add errorHandler as an expected top level export

Co-authored-by: dannyrb <danny.ri.brown@gmail.com>

platform/core/src/index.test.js

@@ -24,6 +24,7 @@ describe('Top level exports', () => {
       'header',
       'cornerstone',
       'default', //
+      'errorHandler',
       'string',
       'ui',
       'user',