Demos: Allow text selection in INPUTs and TEXTAREAs.

Closes gh-6819

(cherry picked from commit 44f503d)

Author: WebVeteran

demos/panel-swipe-open/index.php

@@ -30,7 +30,8 @@
     </script>
 	<style>
 		/* Swipe works with mouse as well but often causes text selection. */
-		#demo-page * {
+		/* We'll deny text selecton on everything but INPUTs and TEXTAREAs. */
+		#demo-page :not(INPUT):not(TEXTAREA) {
 			-webkit-user-select: none;
 			-moz-user-select: none;
 			-ms-user-select: none;