Before drawing a background check if the buffer to use is already active

src/wayland.rs

@@ -431,6 +431,15 @@ impl BackgroundLayer
             return;
         };
 
+        if workspace_bg.buffer.slot().has_active_buffers() {
+            debug!(
+"Skipping draw on output '{}' for workspace '{}' because its buffer already active",
+                self.output_name,
+                workspace_name,
+            );
+            return;
+        }
+        
         // Attach and commit to new workspace background
         if let Err(e) = workspace_bg.buffer.attach_to(self.layer.wl_surface()) {
             error!(