Feat: Alt+Drag to clone - Vue Nodes (#6789)

## Summary

Replicate the alt+drag to clone behavior present in litegraph.

## Changes

- **What**: Simplify the interaction/drag handling, now with less state!
- **What**: Alt+Click+Drag a node to clone it

## Screenshots (if applicable)



https://github.com/user-attachments/assets/469e33c2-de0c-4e64-a344-1e9d9339d528



<!-- Add screenshots or video recording to help explain your changes -->

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6789-WIP-Alt-Drag-to-clone-Vue-Nodes-2b16d73d36508102a871ffe97ed2831f)
by [Unito](https://www.unito.io)

---------

Co-authored-by: github-actions <github-actions@github.com>

src/renderer/extensions/minimap/data/AbstractMinimapDataSource.ts

@@ -1,5 +1,6 @@
 import type { LGraph } from '@/lib/litegraph/src/litegraph'
 import { calculateNodeBounds } from '@/renderer/core/spatial/boundsCalculator'
+import type { PositionedNode } from '@/renderer/core/spatial/boundsCalculator'
 
 import type {
   IMinimapDataSource,
@@ -29,10 +30,12 @@ export abstract class AbstractMinimapDataSource implements IMinimapDataSource {
     }
 
     // Convert MinimapNodeData to the format expected by calculateNodeBounds
-    const compatibleNodes = nodes.map((node) => ({
-      pos: [node.x, node.y],
-      size: [node.width, node.height]
-    }))
+    const compatibleNodes = nodes.map(
+      (node): PositionedNode => ({
+        pos: [node.x, node.y],
+        size: [node.width, node.height]
+      })
+    )
 
     const bounds = calculateNodeBounds(compatibleNodes)
     if (!bounds) {