feat: enhance canvas components with improved sidebar and toolbar functionality

- Updated CanvasSidebar to accept canvasId as a prop, enabling dynamic content based on the current canvas.
- Refactored CanvasToolbar to implement a dropdown menu for adding nodes, improving usability and organization.
- Introduced new node types and updated existing ones in the node template picker for better categorization and searchability.
- Enhanced AssetNode to utilize context for asset browser interactions, streamlining asset management on the canvas.
- Improved overall layout and styling for better user experience across canvas components.

app/(app)/canvas/[canvasId]/page.tsx

@@ -50,8 +50,8 @@ export default async function CanvasPage({
 
   return (
     <div className="flex h-screen w-screen overflow-hidden">
-      <CanvasSidebar />
-      <div className="relative flex-1">
+      <CanvasSidebar canvasId={typedCanvasId} />
+      <div className="relative min-h-0 min-w-0 flex-1">
         <ConnectionBanner />
         <Canvas canvasId={typedCanvasId} />
       </div>