[AlexAndBear]

Description

• Notifications: clicking the external link inside a notification opens it in a new tab instead of navigating to the notification target in the app.

Related Issue

• Fixes The external link inside a notification never opens in a new tab #3737

How Has This Been Tested?

• test environment: unit tests (Vitest), browser tests (Playwright) against a local OpenCloud
• test case 1: clicking the external link doesn't trigger the item navigation
• test case 2: browser: the link opens a new tab, clicking the item itself still navigates

Types of changes

• Bugfix
• Enhancement (a change that doesn't break existing code or deployments)
• Breaking change (a modification that affects current functionality)
• Technical debt (addressing code that needs refactoring or improvements)
• Tests (adding or improving tests)
• Documentation (updates or additions to documentation)
• Maintenance (like dependency updates or tooling adjustments)

[tammi-23]

👍