fix: [Java] Add missing links to 401 - Bad Credentials troubleshooting entry (#2121)

* Add troubleshooting guide for 401 - bad credentials error

* driveby

* linter

* more linting

* small stuff

* add missing links to bad credentials troubleshooting

---------

Co-authored-by: Jonas Israel <jonas.israel@sap.com>

Author: Jonas-Isr

docs-java/troubleshooting.mdx

@@ -256,5 +256,5 @@ While requesting authentication tokens for destination or connectivity, an error
 
 - You might have not configured your SaaS dependencies correctly.
   Most likely, one of your dependencies is missing.
-  For more information on how to configure your SaaS registry, please refer to [this guide](https://pages.github.tools.sap/deploy-with-confidence/solar-system/configuration/landscape-configuration/orbits-directory/?_highlight=saas#saas-registry-configuration).
+  For more information on how to configure your SaaS registry, please refer to one of the following guides: [for applications not using DwC or IAS](https://help.sap.com/docs/btp/sap-business-technology-platform/register-multitenant-application-to-sap-saas-provisioning-service), [for DwC users](https://pages.github.tools.sap/deploy-with-confidence/solar-system/configuration/landscape-configuration/orbits-directory/?#saas-registry-configuration), [for IAS-based applications](https://int.controlcenter.ondemand.com/index.html#/knowledge_center/articles/7961284168e848efb9e0462e38b4075d)(SAP internal).
 - If your SaaS dependencies are set up correctly and you still get the above error, make sure that your service binding credentials are valid.