feat(compiler): compile suspense children as slots (#419)

packages/compiler-core/src/transforms/transformElement.ts

@@ -120,7 +120,7 @@ export const transformElement: NodeTransform = (node, context) => {
       if (!hasProps) {
         args.push(`null`)
       }
-      if (isComponent) {
+      if (isComponent || node.tagType === ElementTypes.SUSPENSE) {
         const { slots, hasDynamicSlots } = buildSlots(node, context)
         args.push(slots)
         if (hasDynamicSlots) {