Fix typo in help path

- Add missing underscore

ee/app/views/projects/merge_requests/show.html.haml

@@ -11,7 +11,7 @@
     window.gl.mrWidgetData.container_scanning_help_path = '#{help_page_path("user/application_security/container_scanning/index")}';
     window.gl.mrWidgetData.dast_help_path = '#{help_page_path("user/application_security/dast/index")}';
     window.gl.mrWidgetData.dependency_scanning_help_path = '#{help_page_path("user/application_security/dependency_scanning/index")}';
-    window.gl.mrWidgetData.coverage_fuzzinghelp_path = '#{help_page_path("user/application_security/coverage_fuzzing/index")}';
+    window.gl.mrWidgetData.coverage_fuzzing_help_path = '#{help_page_path("user/application_security/coverage_fuzzing/index")}';
     window.gl.mrWidgetData.vulnerability_feedback_help_path = '#{help_page_path("user/application_security/index")}';
     window.gl.mrWidgetData.visual_review_app_available = '#{@project.feature_available?(:visual_review_app)}' === 'true';
     window.gl.mrWidgetData.license_scanning_comparison_path = '#{license_scanning_reports_project_merge_request_path(@project, @merge_request) if @project.feature_available?(:license_scanning)}'