fix: update tests for new menu options and dimmedNodeIds store field

ConnectionDropMenu tests expected stale last items and item counts after
Router, Switch, and Conditional Switch were added. WorkflowCanvas tests
were missing dimmedNodeIds from the mock store state.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/__tests__/ConnectionDropMenu.test.tsx

@@ -218,7 +218,7 @@ describe("ConnectionDropMenu", () => {
       fireEvent.keyDown(document, { key: "ArrowUp" });
 
       // Last item should now be highlighted
-      const lastButton = screen.getByText("Image Compare").closest("button");
+      const lastButton = screen.getByText("Switch").closest("button");
       expect(lastButton).toHaveClass("bg-neutral-700");
     });
 
@@ -245,15 +245,11 @@ describe("ConnectionDropMenu", () => {
     it("should wrap around when navigating past last item", () => {
       render(<ConnectionDropMenu {...defaultProps} handleType="text" connectionType="source" />);
 
-      // Text target labels: Prompt, Prompt Constructor, Array, Generate Image, Generate Video, Generate Audio, LLM Generate (7 items)
-      // Navigate down 7 times to wrap to first
-      fireEvent.keyDown(document, { key: "ArrowDown" });
-      fireEvent.keyDown(document, { key: "ArrowDown" });
-      fireEvent.keyDown(document, { key: "ArrowDown" });
-      fireEvent.keyDown(document, { key: "ArrowDown" });
-      fireEvent.keyDown(document, { key: "ArrowDown" });
-      fireEvent.keyDown(document, { key: "ArrowDown" });
-      fireEvent.keyDown(document, { key: "ArrowDown" });
+      // Text target labels: Prompt, Prompt Constructor, Array, Generate Image, Generate Video, Generate Audio, LLM Generate, Router, Switch, Conditional Switch (10 items)
+      // Navigate down 10 times to wrap to first
+      for (let i = 0; i < 10; i++) {
+        fireEvent.keyDown(document, { key: "ArrowDown" });
+      }
 
       // Should be back on first item (Prompt)
       const firstButton = screen.getByText("Prompt").closest("button");

src/components/__tests__/WorkflowCanvas.test.tsx

@@ -139,6 +139,7 @@ const createDefaultState = (overrides = {}) => ({
   getNodesWithComments: vi.fn(() => []),
   markCommentViewed: vi.fn(),
   canvasNavigationSettings: { panMode: "space", zoomMode: "altScroll", selectionMode: "click" },
+  dimmedNodeIds: new Set<string>(),
   captureSnapshot: vi.fn(),
   applyEditOperations: vi.fn(() => ({ applied: 0, skipped: [] })),
   setWorkflowMetadata: vi.fn(),