Location shim causes repeat hash in hash-based navigation #30305

When using the useHash option for $locationShim, routing works until refreshing the browser, at which point the hash appears to be duplicated in the URL. Refreshing again continues to append the hash repeatedly.

Repro: https://github.com/brandonroberts/phonecat-upgrade-cli/tree/840035fcc41d75bbf7b75a494ff40db98f878e7a