I want to prevent the map from zooming in when a marker is clicked but still have the info box appear. Before I do too much customization I was wondering if you could provide some guidance on the best way to do this while still allowing the plugin to be updated in the future.
Thank you for your inquiry, you can refer to this forum post here on how to edit zoom level in the WordPress version.
You may need to patch the edited file manually when there’s updates if you have your own custom requirements. The off-the-shelf plugin is using Google Maps autofitbound function which zooms automatically depending on number of nearby markers.
If you’re facing issues in editing the code manually, best to leave it to the developers which you can reach via the contact form here.