Work around vue/one-component-per-file violations

What does this MR do?

Work around vue/one-component-per-file violations

We don't currently violate this rule at all, but the rule does find some false positives due to a loose heuristic. This is tracked upstream as https://github.com/vuejs/eslint-plugin-vue/issues/1411.

Addresses #297217 (closed).

Screenshots (strongly suggested)

n/a

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• [-] Merge request performance guidelines
• Style guides
• [-] Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• [-] Tested in all supported browsers
• [-] Informed Infrastructure department of a default or new setting change, if applicable per definition of done