test(e2e): click first visible interactive element

Avoid failing on mobile-only hidden buttons in desktop viewport.

Co-authored-by: dennis <dennis@konkol.net>

e2e/hydration.spec.ts

@@ -119,13 +119,20 @@ test.describe('Hydration Tests', () => {
     const buttonCount = await buttons.count();
     
     if (buttonCount > 0) {
-      const firstButton = buttons.first();
-      await expect(firstButton).toBeVisible();
-      
-      // Try clicking (should not throw)
-      await firstButton.click().catch(() => {
-        // Some buttons might be disabled, that's OK
-      });
+      // Find a visible interactive element (desktop hides some mobile-only buttons)
+      let clicked = false;
+      for (let i = 0; i < Math.min(buttonCount, 25); i++) {
+        const candidate = buttons.nth(i);
+        // eslint-disable-next-line no-await-in-loop
+        if (await candidate.isVisible()) {
+          await candidate.click().catch(() => {
+            // Some buttons might be disabled or covered, that's OK
+          });
+          clicked = true;
+          break;
+        }
+      }
+      expect(clicked).toBe(true);
     }
   });
 });