feat: editor attachment paste handling (#1975)

* reupload attachments if uploaded to a different page
* use image dimensions on paste/DnD

* tooltips withinPortal:false

* isolating attribute

packages/editor-ext/src/lib/callout/callout.ts

@@ -53,6 +53,7 @@ export const Callout = Node.create<CalloutOptions>({
   content: "block+",
   group: "block",
   defining: true,
+  isolating: true,
 
   addAttributes() {
     return {