Add test for Shift+D duplication and typing behavior

tests/e2e/box-brush-authoring.e2e.js

@@ -101,3 +101,38 @@ test("switching selection while a transform input is active does not overwrite t
     await outlinerButtons.nth(0).click();
     await expect(page.getByTestId("brush-size-z")).toHaveValue("4");
 });
+test("shift+d duplicates the current selection and does not trigger while typing", async ({ page }) => {
+    await page.goto("/");
+    await page.evaluate((storageKey) => {
+        window.localStorage.removeItem(storageKey);
+    }, "webeditor3d.scene-document-draft");
+    await page.reload();
+    await beginBoxCreation(page);
+    await clickViewport(page);
+    const beforeDuplicateSnapshot = await getEditorStoreSnapshot(page);
+    expect(beforeDuplicateSnapshot.selection).toMatchObject({
+        kind: "brushes"
+    });
+    const sourceBrushId = beforeDuplicateSnapshot.selection.ids?.[0];
+    expect(sourceBrushId).toBeDefined();
+    await page.keyboard.press("Shift+D");
+    const afterDuplicateSnapshot = await getEditorStoreSnapshot(page);
+    expect(afterDuplicateSnapshot.selection).toMatchObject({
+        kind: "brushes"
+    });
+    expect(Object.keys(afterDuplicateSnapshot.document.brushes)).toHaveLength(2);
+    const duplicatedBrushId = afterDuplicateSnapshot.selection.ids?.[0];
+    expect(duplicatedBrushId).toBeDefined();
+    expect(duplicatedBrushId).not.toBe(sourceBrushId);
+    const sourceCenter = beforeDuplicateSnapshot.document.brushes[sourceBrushId].center;
+    const duplicatedCenter = afterDuplicateSnapshot.document.brushes[duplicatedBrushId].center;
+    expect(duplicatedCenter).toEqual({
+        x: sourceCenter.x + 1,
+        y: sourceCenter.y,
+        z: sourceCenter.z + 1
+    });
+    await page.getByTestId("selected-brush-name").click();
+    await page.keyboard.press("Shift+D");
+    const afterTypingShortcutSnapshot = await getEditorStoreSnapshot(page);
+    expect(Object.keys(afterTypingShortcutSnapshot.document.brushes)).toHaveLength(2);
+});