fix: fix unhandled promise rejection error from sidekick when livesync to preview app with bundle

[Fatme]

PR Checklist

• The PR title follows our guidelines: https://github.com/NativeScript/NativeScript/blob/master/CONTRIBUTING.md#commit-messages.
• There is an issue for the bug/feature this PR is for. To avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it.
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• Tests for the changes are included.

What is the current behavior?

An unhandled promise rejection error is thrown from sidekick when livesync to preview app with bundle

What is the new behavior?

An unhandled promise rejection error is not thrown from sidekick when livesync to preview app with bundle

[Fatme]

run ci

[Fatme]

run ci

[Fatme]

run ci

[dtopuzov]

run ci