fix(segmentation): Added support for unhydrated RTSTRUCT in MPR. Added support for overlaying segmentations over display sets the segmentations do not reference. (#5168)

tests/SEGDataOverlayForUnreferencedDisplaySetNoHydration.spec.ts

@@ -0,0 +1,38 @@
+import { test } from 'playwright-test-coverage';
+import { visitStudy, checkForScreenshot, screenShotPaths } from './utils';
+import { press } from './utils/keyboardUtils';
+
+test.beforeEach(async ({ page }) => {
+  const studyInstanceUID = '1.3.6.1.4.1.14519.5.2.1.1706.8374.643249677828306008300337414785';
+  const mode = 'segmentation';
+  await visitStudy(page, studyInstanceUID, mode, 2000);
+});
+
+test('should overlay an unhydrated SEG over a display set that the SEG does NOT reference', async ({
+  page,
+}) => {
+  await page.getByTestId('dataOverlayMenu-default-btn').click();
+  await page.getByTestId('AddSegmentationDataOverlay-default').click();
+  await page.getByText('SELECT A SEGMENTATION').click();
+  await page.getByTestId('Segmentation').click();
+
+  // Hide the overlay menu.
+  await page.getByTestId('dataOverlayMenu-default-btn').click();
+
+  await page.waitForTimeout(5000);
+  await checkForScreenshot(
+    page,
+    page,
+    screenShotPaths.segDataOverlayForUnreferencedDisplaySetNoHydration.overlayFirstImage
+  );
+
+  // Navigate to the middle image of the default viewport.
+  await press({ page, key: 'ArrowDown', nTimes: 9 });
+
+  await page.waitForTimeout(5000);
+  await checkForScreenshot(
+    page,
+    page,
+    screenShotPaths.segDataOverlayForUnreferencedDisplaySetNoHydration.overlayMiddleImage
+  );
+});