Resolve "Bug: Error message for blank model version is messy"

What does this MR do and why?

This PR adds a validation of the version to ensure it's a semantic version and that it's not null. Once the criteria has been met the create button is enabled.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

3 example:

• Initial screen
• Wrong value (left submitted, right prevented from being submitted)
• Correct value

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Before	After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

Related to #467985 (closed)