feature(segmentation): Add contour tools and utilities in a side panel (#5517)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Dan Rukas <dan.rukas@gmail.com>

tests/SEGHydrationThenMPR.spec.ts

@@ -13,11 +13,13 @@ test('should properly display MPR for MR', async ({ page }) => {
 
   await page.getByTestId('yes-hydrate-btn').click();
 
+  await page.waitForTimeout(5000);
   await checkForScreenshot(page, page, screenShotPaths.segHydrationThenMPR.segPostHydration);
 
   await page.getByTestId('Layout').click();
   await page.getByTestId('Axial Primary').click();
 
+  await page.waitForTimeout(5000);
   await checkForScreenshot(
     page,
     page,