fix: bundle emitted on save without changes

[KristianDD]

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.
• [ ] You have signed the CLA.
• [ ] All existing tests are passing: https://github.com/NativeScript/nativescript-dev-webpack/blob/master/CONTRIBUTING.md#testing-locally-by-running-e2e-tests
• [ ] Tests for the changes are included.

What is the current behavior?

What is the new behavior?

Fixes/Implements/Closes https://github.com/NativeScript/nativescript-dev-webpack/issues/1096

[KristianDD]

test cli-smoke cli-templates

[rosen-vladimirov]

Can you please update the commit message to explain in details what's the change and why it is required?

[rosen-vladimirov]

test cli-templates cli-run

[rosen-vladimirov]

test cli-run

[miroslavaivanova]

test cli-run

[KristianDD]

test cli-run

[rosen-vladimirov]

test cli-run