fix(BasicForm): type instantiation is excessively deep

[likui628]

fix "Type instantiation is excessively deep and possibly infinite"

closes #2603

General

✏️ Mark the necessary items without changing the structure of the PR template.

• [ x] Pull request template structure not broken

Type

ℹ️ What types of changes does your code introduce?

👉 Put an x in the boxes that apply

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update