website_geoengine_store_locator: Cannot save the page when the store locator is on the page

[tarteo]

Module

website_geoengine_store_locator

Describe the bug

Cannot save the page when the store locator is on the page

To Reproduce

Affected versions: 16.0

Steps to reproduce the behavior:

1. go to the website editor
2. drag and drop a store locator on the page
3. save
4. go into the website editor again
5. try to change the Max number of results to e.g. 50
6. press save again
7. nothing happens and the website editor becomes non-interactive