Remove or remedy functional component use for Vue 3

[lee-chase]

Vue 3 functional is now rarely needed due to performance improvements.

https://v3.vuejs.org/guide/migration/functional-components.html#overview

Remove 'functional' switch from template components and update CvWrapper to use the suggested syntax. Check in Vue forum as to whether there is a better way to create or remove Vue wrapper.

Suggestion review https://www.vuemastery.com/courses/vue3-deep-dive-with-evan-you/how-to-use-render-functions

[github-actions]

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[github-actions]

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