Image transforms don't include focalpoints by default

Description

There appears to be some inconsistencies with how focalpoints are used. If I recall, focalpoints used to be applied by default anytime you asked for a URL with specific dimensions. This no longer appears to be the case (assuming it ever was). To make matters more confusing, it appears that calling getSrcset does include the focalpoint by default.

Steps to reproduce

We're using the following code to generate an image tag:

{% do image.setTransform({ width: 352, height: 172 }) %}
        {{ tag('img', {
            class: 'lazyload',
            'data-src': image.url,
            width: image.width,
            height: image.height,
            'data-srcset': image.getSrcset(['1.5x', '2x'])
        }) }}

The result is that the src has a url with a 0.5,0.5 focalpoint set; however, each of the srcsets has a focalpoint set correctly to 0.9415,0.9476.

Additional info

• Craft version: Pro 3.5.15.1
• PHP version: 7.4.9