fix(sdk): skip delete modal when nothing is selected (#55)

Author: piotrblaszczyk

.changeset/delete-empty-selection-no-modal.md

@@ -0,0 +1,5 @@
+---
+'@workflowbuilder/sdk': patch
+---
+
+Pressing Delete or Backspace with nothing selected no longer opens the delete confirmation modal.

packages/sdk/src/features/diagram/diagram.tsx

@@ -161,6 +161,10 @@ function DiagramContainerComponent({ edgeTypes = {} }: DiagramContainerProps) {
         return false;
       }
 
+      if (nodes.length === 0 && edges.length === 0) {
+        return false;
+      }
+
       return new Promise((resolve) => {
         openDeleteConfirmationModal({
           nodes,