Changed svgIcon to not use deprecated api.

Signed-off-by: weisj <weisj@arcor.de>

core/src/main/java/com/github/weisj/darklaf/icons/DarkSVGIcon.java

@@ -58,7 +58,7 @@ public class DarkSVGIcon implements Icon, Serializable {
         this.uri = uri;
         size = new Dimension(displayWidth, displayHeight);
         icon = new SVGIcon();
-        icon.setScaleToFit(true);
+        icon.setAutosize(SVGIcon.AUTOSIZE_STRETCH);
         icon.setAntiAlias(true);
         loaded = new AtomicBoolean(false);
     }

core/src/test/java/icon/AllIcons.java

@@ -95,10 +95,10 @@ public class AllIcons {
                     int SIZE = 30;
                     ThemedSVGIcon icon = (ThemedSVGIcon) IconLoader.get().loadSVGIcon(folder + "/" + f.getName(), SIZE, SIZE, true);
                     SVGIcon svgIcon = icon.getSVGIcon();
-                    boolean scale = svgIcon.isScaleToFit();
-                    svgIcon.setScaleToFit(false);
+                    int autosize = svgIcon.getAutosize();
+                    svgIcon.setAutosize(SVGIcon.AUTOSIZE_NONE);
                     icon.setDisplaySize(svgIcon.getIconWidth() * 2, svgIcon.getIconHeight() * 2);
-                    svgIcon.setScaleToFit(scale);
+                    svgIcon.setAutosize(autosize);
                     list.add(new Pair<>(f.getName(), icon));
                 }
             }