additional listener on toolbar image labels. fixes #6299 (#6300)

Author: bamaer

ui/src/main/java/org/apache/hop/ui/core/gui/GuiToolbarWidgets.java

@@ -346,6 +346,9 @@ private void addWebToolbarButton(GuiToolbarItem toolbarItem, ToolBar toolBar) {
     imageLabel.addListener(SWT.MouseEnter, listener);
     imageLabel.addListener(SWT.MouseExit, listener);
 
+    // Also add the toolbar click handler to the image label
+    imageLabel.addListener(SWT.MouseDown, toolbarListener);
+
     // Make the entire composite clickable (image + text)
     composite.addListener(SWT.MouseDown, toolbarListener);