Hotfix: slider node 0 value fix

[Cold-A-Muse]

In this PR

potential fix for no value being uploaded for SliderNode

[what-the-diff[bot]]

• Added a check to see if the slider value is valid
• If not, show an error message and ask user to slide again

[aws-amplify-eu-central-1[bot]]

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[aws-amplify-eu-central-1[bot]]

This pull request is automatically being deployed by Amplify Hosting (learn more).

Access this pull request here: https://pr-491.d36c61y3h9mqcx.amplifyapp.com