lod: fix up missing timeout from bad merge (#3964)

doh

### Change Type

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- [x] `sdk` — Changes the tldraw SDK
- [ ] `dotcom` — Changes the tldraw.com web app
- [ ] `docs` — Changes to the documentation, examples, or templates.
- [ ] `vs code` — Changes to the vscode plugin
- [ ] `internal` — Does not affect user-facing stuff

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- [x] `bugfix` — Bug fix
- [ ] `feature` — New feature
- [ ] `improvement` — Improving existing features
- [ ] `chore` — Updating dependencies, other boring stuff
- [ ] `galaxy brain` — Architectural changes
- [ ] `tests` — Changes to any test code
- [ ] `tools` — Changes to infrastructure, CI, internal scripts,
debugging tools, etc.
- [ ] `dunno` — I don't know

packages/tldraw/src/lib/shapes/shared/useAsset.ts

@@ -22,7 +22,7 @@ export function useAsset(assetId: TLAssetId | null, width: number) {
 				screenScale,
 			})
 			if (!isCancelled) setUrl(resolvedUrl)
-		})
+		}, 500)
 
 		return () => {
 			clearTimeout(timer)