@EnnJayy - those items are configuration items, not stored in code.  Go to the left nav menu > Online Store > Themes > Look for the button with 3 dots beside the "Customize" button > Edit Default Theme Content.   From there, you can type "Search" int...

Yes, I had the same liquid error.   I had to strip out some of the paging logic from the code to get it working, then paste that into the "Custom Liquid" code editor in the "Customize" theme editor. like this:Here is the final code that I used to get...

Looks like you are missing a comma before your "presets" section.   Give that a try...

I am having the same issue right now as well.  Getting that liquid error, and my main-search.liquid file also has many more lines than the original solution post mentions.