BC Registry: links to apps don't retain account number

1. login and select "not the first" account, eg. BCREG0020 / Severin Dev Account
2. go to BC Registry page, eg, https://yfthig-dev.web.app/?accountid=2288
3. click on [Go to BC Business Registry link](https://dev.bcregistry.ca/business/auth/)
or
4. click on [Go to Name Request link](https://dev.bcregistry.ca/namerequest/)
or
5. click on [Go to Personal Property Registry link](https://yfthig-dev.web.app/ppr-marketing)

Expectation: The new UI loads and you remain on the same account.

Actual: The new UI loads and you lose the account you had selected -- you now have the default/first account selected.

Note: Relationships team previously worked on retaining the account while switching between UIs.

Begin with the BC Registry page URL and the three destination links, then trace how the selected account is represented across navigation. Reproduce the switch from a non-default account and verify each destination preserves that account; done means Business Registry, Name Request, and Personal Property Registry all load under the selected account.

Written by the indexing model from the issue text.