Error: category.product.addto.wishlist is not a child of catalogsearch.product.addto

Question

Magento 2.2.6

### Steps to reproduce (*)
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1. Opening web-shop (Landing page or somewhere else) and using the search bar.
2. Tipping any word and pressing enter

3. Getting error instead of products refering to your search: 1 exception(s): Exception #0 (Magento\Framework\Exception\LocalizedException): category.product.addto.wishlist ist kein Kind von catalogsearch.product.addto

### Expected result (*)
1. List of products which fit my search

### Actual result (*)

1. Exception #0 (Magento\Framework\Exception\LocalizedException): category.product.addto.wishlist ist kein Kind von catalogsearch.product.addto

Link: https://www.dev.feelcomfort.de/catalogsearch/result/?q=Test

Does anyone know how to fix this bug?

Best regards,
Feelcomfort