Multiple fixes related to copying subgraphs (#6383)

- DOMWidgets have ownership reset after a `subgraphNode.clone()`.
- Fixes Ctrl+C on a subgraphNode with a prompted prompt making the
prompt disappear.
- alt + drag uses the copy/paste pathway that deeply clones subgraphs.
- Fixed dangling references on nodes in subgraphs by updating subgraph
ids before configuration.
- Attempt to recursively resolve disconnected proxyWidgets (Can matter
when subgraphs load out of order).
- Fix Right click -> clone creating linked copies of subgraphs.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6383-Multiple-fixes-related-to-copying-subgraphs-29b6d73d365081819671ced440dde327)
by [Unito](https://www.unito.io)

src/core/graph/subgraph/proxyWidget.ts

@@ -158,7 +158,11 @@ function resolveLinkedWidget(
   const { graph, nodeId, widgetName } = overlay
   const n = getNodeByExecutionId(graph, nodeId)
   if (!n) return [undefined, undefined]
-  return [n, n.widgets?.find((w: IBaseWidget) => w.name === widgetName)]
+  const widget = n.widgets?.find((w: IBaseWidget) => w.name === widgetName)
+  //Slightly hacky. Force recursive resolution of nested widgets
+  if (widget instanceof disconnectedWidget.constructor && isProxyWidget(widget))
+    widget.computedHeight = 20
+  return [n, widget]
 }
 
 function newProxyFromOverlay(subgraphNode: SubgraphNode, overlay: Overlay) {