Inline Search: Mitigate P2 bug (#43503)

* P2 bug mitigation

* changelog

* Let us disable the filter entirely for now

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/15078192502

Upstream-Ref: Automattic/jetpack@1f8dcd1

Author: anaemnesis

CHANGELOG.md

@@ -16,6 +16,9 @@ This is an alpha version! The changes listed here are not final.
 ### Changed
 - Update package dependencies.
 
+### Fixed
+- Mitigate bug with certain P2 theme
+
 ## [0.49.0] - 2025-05-15
 ### Added
 - Add query filters support to Inline Search. [#43441]

src/inline-search/class-inline-search-highlighter.php

@@ -45,7 +45,8 @@ public function __construct( array $search_result_ids = array(), ?array $results
 	 * Set up the WordPress filters for highlighting.
 	 */
 	public function setup(): void {
-		add_filter( 'the_title', array( $this, 'filter_highlighted_title' ), 10, 2 );
+		// phpcs:ignore Squiz.PHP.CommentedOutCode.Found -- Temporarily disabled due to incompatibility with P2 theme
+		// add_filter( 'the_title', array( $this, 'filter_highlighted_title' ), 10, 2 );
 		add_filter( 'the_excerpt', array( $this, 'filter_highlighted_excerpt' ) );
 		add_filter( 'render_block_core/post-excerpt', array( $this, 'filter_render_highlighted_block' ), 10, 3 );
 	}