Merge branch '661-safari-icons-fix' into 'devel_12.2.x'

hopefully the last time I fix Safari jQuery icons

See merge request !683

CHANGELOG

+minerva (12.2.0~beta.3) unstable; urgency=medium
+  * Bug fix: Icons are still not properly loaded on Safari (#661)
+
 minerva (12.2.0~beta.2) unstable; urgency=medium
   * Bug fix: order of the overlays is defined explicitly also for general 
     overlays (#684)

web/src/main/webapp/index.xhtml

@@ -35,6 +35,17 @@
 			var btn = $.fn.button.noConflict(); // reverts $.fn.button to jqueryui btn
 			$.fn.btn = btn; // assigns bootstrap button functionality to $.fn.btn
 
+			/**
+			 * Safari has some issue with the jquery css or the way JSF presents the CSS resources.
+			 * This is a hack that fixes this issue by forcing the icon sprite png to be loaded once the document is ready.
+			 */
+			$('document').ready(function() {
+				var style = document.createElement("style");
+				var styleText = document.createTextNode(".ui-icon { background-image: url(/minerva/javax.faces.resource/images/ui-icons_616161_256x240.png.xhtml?ln=primefaces-aristo&m_version=Unknown) !important; }");
+				style.appendChild(styleText);
+				document.head.appendChild(style);
+			});
+
 			function initMap(){
 				var element = document.getElementById('minervaAppDiv');
 				return minerva.create({