Board clone API failure is treated as a successful board response

[Kumar-s75]

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Describe the bug

When the board-clone request fails, BoardApi.cloneBoard() catches the Axios error and returns it instead of throwing it:

https://github.com/nextcloud/deck/blob/main/src/services/BoardApi.js#L146-L159

Returning the error resolves the promise. The Pinia action then treats that error as a successfully cloned board:

https://github.com/nextcloud/deck/blob/main/src/stores/board.js#L180-L194

Since an Axios error normally has no board id, it can be appended to this.boards. The store action's own catch block is not reached because the API method resolved with the error object.

This was found by reviewing the current main branch. A focused unit test should be sufficient to reproduce it by mocking a rejected clone request.

To Reproduce

1. Mock or trigger a rejected POST /boards/{boardId}/clone request.
2. Call the Pinia cloneBoard action.
3. Observe that BoardApi.cloneBoard() returns the Axios error.
4. Observe that the action processes it as newBoard and may append it to the board collection.

Expected behavior

A failed clone request should reject. The board collection should remain unchanged, and the caller/UI should receive the request failure.

Screenshots

Not applicable; this is an error-propagation issue found on the current main branch.

Client details:

• OS: Not environment-specific
• Browser: Not environment-specific
• Version: Current main branch
• Device: Desktop

Server details

Not environment-specific. The failure can be reproduced with a mocked rejected Axios request.

Logs

No server or browser logs are required when reproducing with a rejected Axios mock.

Suggested fix

Allow the Axios rejection to propagate, or rethrow the caught error:

} catch (err) {
    throw err
}

A regression test should verify that a rejected clone request leaves boards unchanged and reaches the store action's error path.