ARTESCA-14759: Fix Flaky UI E2E Tests Due to Local Storage redirectUrl Handling

[ChengYanJin]

Component: Shell UI

Context:
We store the redirectUrl in local storage, but this has made the UI end-to-end tests very flaky. Now, we no longer need to store it in local storage—we can keep it in the state instead.

Summary:
By leveraging useNavigate, the UI no longer requires a full reload after login.

Acceptance criteria:

---

Closes: #ISSUE_NUMBER

[bert-e]

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[bert-e]

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[bert-e]

Waiting for approval

The following approvals are needed before I can proceed with the merge:

• the author

• one peer

Peer approvals must include at least 1 approval from the following list:

• @aprucolimartins

• @JBWatenbergScality

• @ChengYanJin

• @ezekiel-alexrod

• @TeddyAndrieux

• @thomasdanan

• @m4nch0t

• @eg-ayoub

• @xaf-scality