Remove animation on prefers-reduced-motion/low referesh rate devices

Also normalises handling of asset list cable table & improves its use of space on large devices

templates/partials/datetime-fix.html

@@ -4,6 +4,7 @@ function initDatetime() {
     $('input[type=datetime-local]').not(':disabled').flatpickr({
         dateFormat: 'Y-m-dTH:m',
         enableTime: true,
+        allowInput: true,
         altInput: true,
         altFormat: "d/m/y H:m",
     });