Synchronize remote classloader property updating, as this is accessed…

… across multiple threads

recaf-core/src/main/java/software/coley/recaf/info/properties/builtin/RemoteClassloaderProperty.java

@@ -45,7 +45,7 @@ public static Integer get(@Nonnull JvmClassInfo classInfo) {
 	 * 		Loader ID associated with the class,
 	 * 		used as key for {@link WorkspaceRemoteVmResource#getJvmClassloaderBundles()}.
 	 */
-	public static void set(@Nonnull JvmClassInfo classInfo, int loaderId) {
+	public static synchronized void set(@Nonnull JvmClassInfo classInfo, int loaderId) {
 		classInfo.setProperty(cache.computeIfAbsent(loaderId, RemoteClassloaderProperty::new));
 	}