Use excludive selectors for search editor contributions to fix #91453.

cc @jrieken

extensions/search-result/package.json

@@ -3,6 +3,7 @@
   "displayName": "%displayName%",
   "description": "%description%",
   "version": "1.0.0",
+  "enableProposedApi": true,
   "publisher": "vscode",
   "license": "MIT",
   "engines": {

extensions/search-result/src/extension.ts

@@ -8,7 +8,7 @@ import * as pathUtils from 'path';
 
 const FILE_LINE_REGEX = /^(\S.*):$/;
 const RESULT_LINE_REGEX = /^(\s+)(\d+)(:| )(\s+)(.*)$/;
-const SEARCH_RESULT_SELECTOR = { language: 'search-result' };
+const SEARCH_RESULT_SELECTOR = { language: 'search-result', exclusive: true };
 const DIRECTIVES = ['# Query:', '# Flags:', '# Including:', '# Excluding:', '# ContextLines:'];
 const FLAGS = ['RegExp', 'CaseSensitive', 'IgnoreExcludeSettings', 'WordMatch'];