[fix] Context menu + menus not closing correctly (#2086)

This PR fixes a bug that causes menus not to close correctly when open.

### Change Type

- [x] `patch` — Bug fix

### Test Plan

1. On mobile, open the menu.
2. Tap the canvas—it should close the panel.
3. Open the mobile style panel.
4. Tap the canvas—it should close the panel.
5. Open the mobile style panel.
6. Tap the mobile style panel button—it should close the panel.
7. On mobile, long press to open the context menu

### Release Notes

- [fix] bug with menus

packages/editor/src/lib/hooks/useCanvasEvents.ts

@@ -17,8 +17,6 @@ export function useCanvasEvents() {
 			let lastX: number, lastY: number
 
 			function onPointerDown(e: React.PointerEvent) {
-				stopEventPropagation(e)
-
 				if ((e as any).isKilled) return
 
 				if (e.button === 2) {
@@ -41,6 +39,11 @@ export function useCanvasEvents() {
 					name: 'pointer_down',
 					...getPointerInfo(e),
 				})
+
+				if (editor.openMenus.length > 0) {
+					document.body.click()
+					editor.getContainer().focus()
+				}
 			}
 
 			function onPointerMove(e: React.PointerEvent) {