Update JSVG to version 0.0.3

gradle.properties

@@ -29,7 +29,7 @@ net.ltgt.errorprone.version                               = 2.0.2
 
 # Dependencies
 # Libraries
-jsvg.version                                              = 0.0.2
+jsvg.version                                              = 0.0.3
 swingDsl.version                                          = 0.1.3
 swingx.version                                            = 1.6.1
 nullabilityAnnotations.version                            = 23.0.0

property-loader/src/main/java/com/github/weisj/darklaf/properties/icons/IconLoader.java

@@ -77,8 +77,11 @@ public final class IconLoader implements IconResolver {
         loader = new SVGLoader();
     }
 
-    static SVGLoader svgLoader() {
-        return loader;
+    static @NotNull SVGLoader svgLoader() {
+        // SVGLoader is not thread safe. For the EDT we use a cached version to avoid UI slow downs.
+        // All other cases are probably fine with the overhead of creating a new SVGLoader instance.
+        if (SwingUtilities.isEventDispatchThread()) return loader;
+        return new SVGLoader();
     }
 
     /**