Keep rotateZ on elements with a layout animation

The projection pipeline handled rotate, rotateX and rotateY but not
rotateZ, so a layout or shared layout animation silently dropped it from
the generated transform and never mixed it between lead and follow.

packages/motion-dom/src/projection/utils/has-transform.ts

@@ -21,6 +21,7 @@ export function hasTransform(values: ResolvedValues) {
         values.rotate ||
         values.rotateX ||
         values.rotateY ||
+        values.rotateZ ||
         values.skewX ||
         values.skewY
     )