Fix storybook / chromatic tests flakyness and integration tests (#11687)

## Storybook flakyness

### Actor Display image flakyness

<img width="1512" alt="image"
src="https://github.com/user-attachments/assets/875c0738-5e31-4aba-9231-4ba5f78d1355"
/>

**Fix:** stop using a random usage

### Task Groups broken

<img width="1512" alt="image"
src="https://github.com/user-attachments/assets/c67e47a1-a027-43f1-9601-68d61a8052b4"
/>

**Fix:** add missing TabListComponentInstance

## Flaky dates

Add https://github.com/k35o/storybook-addon-mock-date

## Integration tests

Fix broken tests due to relation refactoring

package.json

@@ -183,6 +183,7 @@
     "semver": "^7.5.4",
     "sharp": "^0.32.1",
     "slash": "^5.1.0",
+    "storybook-addon-mock-date": "^0.6.0",
     "stripe": "^17.3.1",
     "ts-key-enum": "^2.0.12",
     "tslib": "^2.3.0",