Avoid NPE and spurious unlock if serial monitor is clicked at upload warmup

Author: facchinm

app/src/processing/app/Base.java

@@ -1927,7 +1927,9 @@ public void addEditorFontResizeMouseWheelListener(Component comp) {
           this.handleFontSizeChange(-1);
         }
       } else {
-        e.getComponent().getParent().dispatchEvent(e);
+        if (e.getComponent() != null && e.getComponent().getParent() != null) {
+          e.getComponent().getParent().dispatchEvent(e);
+        }
       }
     });
   }

app/src/processing/app/Editor.java

@@ -2060,6 +2060,8 @@ public void setUsingProgrammer(boolean usingProgrammer) {
 
     public void run() {
       try {
+        uploading = true;
+
         removeAllLineHighlights();
         if (serialMonitor != null) {
           serialMonitor.suspend();
@@ -2068,8 +2070,6 @@ public void run() {
           serialPlotter.suspend();
         }
 
-        uploading = true;
-
         boolean success = sketchController.exportApplet(usingProgrammer);
         if (success) {
           statusNotice(tr("Done uploading."));