Suggestion: make submit buttons inside forms with invalid inputs have the same look as disabled buttons

[AndreLeria]

I believe this would be useful for simpler forms which don't require javascript validation: while the button will technically still be enabled and clickable, the browser's form validation won't allow it to submit the form.

A simple solution would be to include a :has(:invalid) selector in line 204 here:

pico/scss/content/_button.scss

Lines 200 to 208 in 6dc6489

	// Button [disabled]
	#{$parent-selector}
	:where(button, [type="submit"], [type="reset"], [type="button"], [role="button"])[disabled],
	#{$parent-selector}
	:where(fieldset[disabled])
	:is(button, [type="submit"], [type="button"], [type="reset"], [role="button"]) {
	opacity: 0.5;
	pointer-events: none;
	}

But this would also apply to reset buttons and not make it optional, which I believe are undesirable for such a change. Still, making it optional and not applying it to reset buttons should not add too much complexity.