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

tests/RTDataOverlayNoHydrationThenMPR.spec.ts

@@ -1,5 +1,6 @@
 import { test } from 'playwright-test-coverage';
 import { visitStudy, checkForScreenshot, screenShotPaths } from './utils';
+import { assertNumberOfModalityLoadBadges } from './utils/assertions';
 
 test.beforeEach(async ({ page }) => {
   const studyInstanceUID = '1.3.6.1.4.1.5962.99.1.2968617883.1314880426.1493322302363.3.0';
@@ -16,6 +17,9 @@ test('should launch MPR with unhydrated RTSTRUCT chosen from the data overlay me
   await page.getByText('SELECT A SEGMENTATION').click();
   await page.getByTestId('ARIA RadOnc Structure Sets').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();
 
@@ -37,4 +41,7 @@ test('should launch MPR with unhydrated RTSTRUCT chosen from the data overlay me
     page,
     screenShotPaths.rtDataOverlayNoHydrationThenMPR.rtDataOverlayNoHydrationPostMPR
   );
+
+  // Adding an overlay should not show the LOAD button.
+  assertNumberOfModalityLoadBadges({ page, expectedCount: 0 });
 });