stickies: hide clone handles on mobile (#3478)

### 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

<!-- ❗ Please select a 'Type' label ❗️ -->

- [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/note/NoteShapeUtil.tsx

@@ -102,8 +102,9 @@ export class NoteShapeUtil extends ShapeUtil<TLNoteShape> {
 		const zoom = this.editor.getZoomLevel()
 		const offset = CLONE_HANDLE_MARGIN / zoom
 		const noteHeight = getNoteHeight(shape)
+		const isCoarsePointer = this.editor.getInstanceState().isCoarsePointer
 
-		if (zoom < 0.25) return []
+		if (zoom < 0.25 || isCoarsePointer) return []
 
 		return [
 			{