Incorrectly renders non-scoped slots and incorrectly passes scoped-slot string prop if passing slots through multiple wrapper-components

[benax-se]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.7.7

Environment

Vue 2.6.14

Reproduction link

https://stackblitz.com/edit/vue2-vite-starter-apkxxz?file=package.json

Steps to reproduce

Open app, look at the Double wrapped component

What is expected?

Column header of the slot "custom-title" renders correct passed HTML (as in manually-written component at the bottom of the application page) when it`s passes through any amount of children components

Prop "text" of the slot "name" comes as string

What is actually happening?

Column header of the slot "custom-title" renders nothing and throws an error when it`s passed through 2 childs

Prop "text" of the slot "name" comes as array of chars

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days

[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.