refactor(tests): update viewport page object usage to async and update all effected tests (#5927)

tests/RTHydrationDisableConfirmation.spec.ts

@@ -25,6 +25,8 @@ test('should auto hydrate RT STRUCT on the second load and keep viewport stable
   rightPanelPageObject,
   viewportPageObject,
 }) => {
+  const activeViewport = await viewportPageObject.active;
+
   // First load
   await leftPanelPageObject.loadSeriesByModality('RTSTRUCT');
   await page.waitForTimeout(5000);
@@ -37,7 +39,7 @@ test('should auto hydrate RT STRUCT on the second load and keep viewport stable
 
   await checkForScreenshot(
     page,
-    viewportPageObject.active.pane,
+    activeViewport.pane,
     screenShotPaths.rtHydrationDisableConfirmation.firstLoadPostHydration
   );
 
@@ -48,7 +50,7 @@ test('should auto hydrate RT STRUCT on the second load and keep viewport stable
 
   await checkForScreenshot(
     page,
-    viewportPageObject.active.pane,
+    activeViewport.pane,
     screenShotPaths.rtHydrationDisableConfirmation.viewportAfterFirstDelete
   );
 
@@ -65,7 +67,7 @@ test('should auto hydrate RT STRUCT on the second load and keep viewport stable
 
   await checkForScreenshot(
     page,
-    viewportPageObject.active.pane,
+    activeViewport.pane,
     screenShotPaths.rtHydrationDisableConfirmation.secondLoadPostHydration
   );
 
@@ -75,7 +77,7 @@ test('should auto hydrate RT STRUCT on the second load and keep viewport stable
 
   await checkForScreenshot(
     page,
-    viewportPageObject.active.pane,
+    activeViewport.pane,
     screenShotPaths.rtHydrationDisableConfirmation.viewportAfterSecondDelete
   );
 });