@sap/approuter user-api is not accessible

[robbymanis]

Describe the bug Routes that use the sap-approuter-userapi service provided by the underlying @sap/approuter do not work.

Format validation failed (A route requires access to html5-apps-repo-rt service but the service is not bound.)

To Reproduce Steps to reproduce the behavior:

1. Create an xs-json file that uses a route, such as:

{
    "source": "^/user-api/currentUser$",
    "target": "/currentUser",
    "service": "sap-approuter-userapi"
},

2. Create a default-env.json and provide the xsuaa service credentials.
3. Start server.

Expected behavior html5-apps-repo-rt service should be available as it is provided by the @sap/approuter

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