Fixed research page bug

* In some cases, it was impossible to implement a technology or set its
research priority, due to the JS click handler exiting with a "false"
return value.

legacyworlds-web-main/Content/Raw/js/research.js

@@ -45,7 +45,7 @@ $(function() {
 	$('.tech-line').click(function() {
 		var _id = $(this).attr('id').replace(/^tl-/, '');
 		if (_id == _displayed) {
-			return;
+			return true;
 		}
 		_viewingArea.html($('#tdesc-' + _id).html());
 		$('a', _viewingArea).click(function() {