fix case when value is undefined

[peelar]

What type of PR is this?

• [ ] 💅 Refactor
• [ ] 🌟 Feature
• [x] 🔥 Bug Fix
• [ ] 🔩 Maintenance
• [ ] 🛠 Workflow CI/CD changes

Related Issues or Documents

fixes bug introduced in https://github.com/saleor/saleor-dashboard/pull/5225

Usage Instructions, Screenshots, Recordings

Have you written tests?

• [x] Yes!

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 98022cb347221b6243861f96da4c619b1110ecd0

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ---------------- | ----- | | saleor-dashboard | Patch |

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