replace patience.svg by patience.gif because animated svg is deprecated

public/admin/css/subModal.css

@@ -63,7 +63,7 @@ body.admin a[data-popup="true"].image-loading-status {
 }
 
 a[data-popup="true"].image-loading-status {
-    background-image: url(../images/patience.svg);
+    background-image: url(../images/patience.gif);
     background-size: 1em;
     background-position: center;
     background-repeat: no-repeat;

public/admin/images/patience.svg

-<?xml version="1.0" encoding="utf-8"?><svg width='52px' height='52px' xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="xMidYMid" class="uil-ring"><rect x="0" y="0" width="100" height="100" fill="none" class="bk"></rect><circle cx="50" cy="50" r="40" stroke-dasharray="163.36281798666926 87.9645943005142" stroke="#cec9c9" fill="none" stroke-width="20"><animateTransform attributeName="transform" type="rotate" values="0 50 50;180 50 50;360 50 50;" keyTimes="0;0.5;1" dur="1s" repeatCount="indefinite" begin="0s"></animateTransform></circle></svg>
\ No newline at end of file