Tooltip: Check type on event directly, preventing TypeError when prog…

…rammatically moving focus to track-toolipped-input. Fixes #8747 - Tooltip: Using the track option within dialogs creates JS errors

(cherry picked from commit 98173a3)

tests/unit/tooltip/tooltip_options.js

@@ -146,4 +146,12 @@ test( "track + show delay", function() {
 	equal( $( ".ui-tooltip" ).css( "top" ), topVal + offsetVal + "px" );
 });
 
+test( "track and programmatic focus", function() {
+	expect( 1 );
+	$( "#qunit-fixture div input" ).tooltip({
+		track: true
+	}).focus();
+	equal( "inputtitle", $( ".ui-tooltip" ).text() );
+});
+
 }( jQuery ) );

ui/jquery.ui.tooltip.js

@@ -252,7 +252,7 @@ $.widget( "ui.tooltip", {
 			}
 			tooltip.position( positionOption );
 		}
-		if ( this.options.track && event && /^mouse/.test( event.originalEvent.type ) ) {
+		if ( this.options.track && event && /^mouse/.test( event.type ) ) {
 			this._on( this.document, {
 				mousemove: position
 			});