Don't automatically show inserter when zoom out mode initiates (#63859)

Co-authored-by: jeryj <jeryj@git.wordpress.org>
Co-authored-by: scruffian <scruffian@git.wordpress.org>

packages/block-editor/src/components/block-tools/zoom-out-mode-inserters.js

@@ -2,7 +2,7 @@
  * WordPress dependencies
  */
 import { useSelect } from '@wordpress/data';
-import { useEffect, useRef, useState } from '@wordpress/element';
+import { useEffect, useState } from '@wordpress/element';
 
 /**
  * Internal dependencies
@@ -50,17 +50,6 @@ function ZoomOutModeInserters() {
 		};
 	}, [] );
 
-	const isMounted = useRef( false );
-
-	useEffect( () => {
-		if ( ! isMounted.current ) {
-			isMounted.current = true;
-			return;
-		}
-		// reset insertion point when the block order changes
-		setInserterIsOpened( true );
-	}, [ blockOrder, setInserterIsOpened ] );
-
 	// Defer the initial rendering to avoid the jumps due to the animation.
 	useEffect( () => {
 		const timeout = setTimeout( () => {