fix(segmentation): Removed LOAD/hydrate button for segmentation overlays (#5214)

tests/SEGDataOverlayForUnreferencedDisplaySetNoHydration.spec.ts

@@ -1,6 +1,7 @@
 import { test } from 'playwright-test-coverage';
 import { visitStudy, checkForScreenshot, screenShotPaths } from './utils';
 import { press } from './utils/keyboardUtils';
+import { assertNumberOfModalityLoadBadges } from './utils/assertions';
 
 test.beforeEach(async ({ page }) => {
   const studyInstanceUID = '1.3.6.1.4.1.14519.5.2.1.1706.8374.643249677828306008300337414785';
@@ -16,9 +17,14 @@ test('should overlay an unhydrated SEG over a display set that the SEG does NOT
   await page.getByText('SELECT A SEGMENTATION').click();
   await page.getByTestId('Segmentation').click();
 
+  // Adding an overlay should not show the LOAD button.
+  assertNumberOfModalityLoadBadges({ page, expectedCount: 0 });
+
   // Hide the overlay menu.
   await page.getByTestId('dataOverlayMenu-default-btn').click();
 
+  await page.waitForTimeout(5000);
+
   await checkForScreenshot(
     page,
     page,
@@ -28,6 +34,8 @@ test('should overlay an unhydrated SEG over a display set that the SEG does NOT
   // Navigate to the middle image of the default viewport.
   await press({ page, key: 'ArrowDown', nTimes: 9 });
 
+  await page.waitForTimeout(5000);
+
   await checkForScreenshot(
     page,
     page,