Blazor shows overly broad error when missing method

_This issue has been moved from [a ticket on Developer Community](https://developercommunity.visualstudio.com/t/Blazor-shows-overly-broad-error-when-mis/10735875)._

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[severity:It's more difficult to complete my work]
When a method is missing in an EditForm the underline squiggles highlight most of the form, not correctly isolating the actual error.

See below the two displays of a missing method. The second method, outside the form is the better experience:

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### Original Comments

#### Feedback Bot on 9/1/2024, 06:34 PM:

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