refactor(svelte/react): cleanup exports

packages/svelte/src/lib/container/NodeRenderer/NodeRenderer.svelte

@@ -63,6 +63,8 @@
       sourcePosition={node.sourcePosition}
       targetPosition={node.targetPosition}
       dragging={node.dragging}
+      zIndex={node[internalsSymbol]?.z ?? 0}
+      dragHandle={node.dragHandle}
       {resizeObserver}
       on:node:click
       on:node:mouseenter

packages/svelte/src/lib/container/SvelteFlow/types.ts

@@ -69,7 +69,3 @@ export type SvelteFlowProps = DOMAttributes<HTMLDivElement> & {
   'on:pane:click'?: CustomEvent;
   'on:pane:contextmenu'?: CustomEvent;
 };
-
-export type SvelteFlowSlots = {
-  default: { slotValue: string };
-};