Update to Angular v19

[GODrums]

Motivation

We want to keep our dependencies up-to-date and make use of new Angular v19 features.

Description

This PR updates the following dependencies:

• Angular to 19.0.5 (current stable version)
• spartan-ng to 0.0.1-alpha.374 (previous 356 was incompatible with Angular v19, newest 380 is unstable)
• Tailwind to 3.4.17
• Storybook to 8.4.7
• ng-icons to 29.10.0
• lucide-angular to 0.469.0

This PR also changes:

• strictStandalone: true compiler option
• removal of unecessary standalone: true - standalone is now default

What's new in Angular v19?
https://blog.angular.dev/meet-angular-v19-7b29dfd05b84

Testing Instructions

• Run the application-server + webapp
• Test as much of website's functionality (UI) as possible

Checklist

General

• PR title is clear and descriptive
• PR description explains the purpose and changes
• Code follows project coding standards
• Self-review of the code has been done
• Changes have been tested locally
• Screenshots have been attached (if applicable)
• Documentation has been updated (if applicable)

Client (if applicable)

• UI changes look good on all screen sizes and browsers
• No console errors or warnings
• User experience and accessibility have been tested
• Added Storybook stories for new components
• Components follow design system guidelines (if applicable)