Moved sketchbook override

Author: Stefterv

app/src/processing/app/Base.java

@@ -2263,13 +2263,14 @@ static public File getToolsFolder() {
 
 
   static public void locateSketchbookFolder() {
-    // If a value is at least set, first check to see if the folder exists.
-    // If it doesn't, warn the user that the sketchbook folder is being reset.
-    String sketchbookPath = Preferences.getSketchbookPath();
       var sketchbookPathOverride = System.getProperty("processing.sketchbook.folder");
       if (sketchbookPathOverride != null && !sketchbookPathOverride.isEmpty()) {
-          sketchbookPath = sketchbookPathOverride;
+          sketchbookFolder = new File(sketchbookPathOverride);
+          return;
       }
+    // If a value is at least set, first check to see if the folder exists.
+    // If it doesn't, warn the user that the sketchbook folder is being reset.
+    String sketchbookPath = Preferences.getSketchbookPath();
     if (sketchbookPath != null) {
       sketchbookFolder = new File(sketchbookPath);
       if (!sketchbookFolder.exists()) {