frontend: Add webSocket polling and initial timeouts

[joaquimrocha]

Summary

This change will avoid tests failing unexpectedly.

Separated from #3953 .

[k8s-ci-robot]

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This pull-request has been approved by: joaquimrocha

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[Copilot]

Pull Request Overview

This PR adds timeout functionality to WebSocket connections to prevent tests from hanging indefinitely. The changes introduce proper error handling with timeouts for both existing connection waits and new connection attempts.

• Added 5-second timeout for WebSocket connection attempts
• Enhanced connection polling with timeout and failure detection
• Updated test expectations to match new timeout error messages

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
frontend/src/lib/k8s/api/v2/webSocket.ts	Added timeout logic for WebSocket connections and improved polling mechanism
frontend/src/lib/k8s/api/v2/webSocket.test.ts	Updated test expectation to match new timeout error message

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[joaquimrocha]

I've closed the PR where this change was needed. So I don't think this is needed in the end.