fix(combobox): null reference ngControl

[valentin-mladenov]

PR Checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)
• If applicable, have a visual design approval

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Other... Please describe:

What is the current behavior?

Null reference errors can be seen in console when ngControl is not present.

Issue Number: N/A

What is the new behavior?

NO more null reference errors in console when ngControl is not present.

Does this PR introduce a breaking change?

• Yes
• No

Other information

[github-actions]

👋 @valentin-mladenov,

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[kevinbuhmann]

This should be combined with #1661 because it's the same bug.

[kevinbuhmann]

Okay, you already merged other half of this fix.

[github-actions]

🎉 This PR is included in version 17.6.0 🎉

The release is available on:

• GitHub release
• v17.6.0

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[github-actions]

Hi there 👋, this is an automated message. To help Clarity keep track of discussions, we automatically lock closed PRs after 14 days. Please look for another open issue or open a new issue with updated details and reference this one as necessary.