Iris: Add course chat settings

[Hialus]

Checklist

General

• I tested all changes and their related features with all corresponding user types on a test server.
• Language: I followed the guidelines for inclusive, diversity-sensitive, and appreciative language.
• I chose a title conforming to the naming conventions for pull requests.

Server

• Important: I implemented the changes with a very good performance and prevented too many (unnecessary) and too complex database calls.
• I strictly followed the principle of data economy for all database calls.
• I strictly followed the server coding and design guidelines.
• I added multiple integration tests (Spring) related to the features (with a high test coverage).
• I added pre-authorization annotations according to the guidelines and checked the course groups for all new REST Calls (security).
• I documented the Java code using JavaDoc style.

Client

• Important: I implemented the changes with a very good performance, prevented too many (unnecessary) REST calls and made sure the UI is responsive, even with large data (e.g. using paging).
• I strictly followed the principle of data economy for all client-server REST calls.
• I strictly followed the client coding and design guidelines.
• Following the theming guidelines, I specified colors only in the theming variable files and checked that the changes look consistent in both the light and the dark theme.
• I added multiple integration tests (Jest) related to the features (with a high test coverage), while following the test guidelines.
• I documented the TypeScript code using JSDoc style.
• I added multiple screenshots/screencasts of my UI changes.
• I translated all newly inserted strings into English and German.

Motivation and Context

The Iris course level chat currently used the programming chat settings. We want to split these for clarity.

Description

I added a new sub-settings type for the course chat. It works the same as the programming chat settings for now.

Steps for Testing

Prerequisites:

• 1 Admin

1. Log in to Artemis
2. Go to the global Iris settings in the Admin menu
3. Enable the course chat settings
4. Go to a course
5. Go to the Iris settings in the course
6. Enable Iris here
7. Done

Testserver States

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Review Progress

Code Review

• Code Review 1
• Code Review 2

Manual Tests

• Test 1
• Test 2

Test Coverage

Screenshots

Summary by CodeRabbit

Release Notes

• New Features

  • Introduced IrisCourseChatSubSettings to manage course-specific chat settings.
  • Added support for course chat settings in various components and services.
  • Enhanced settings management to include IrisCombinedCourseChatSubSettingsDTO for better configuration handling.

• Bug Fixes

  • Updated references to ensure correct handling of course chat settings across the application.

• Documentation

  • Added new entries for "Course Chat Settings" in the application’s localization files.

• Tests

  • Expanded test coverage for components and services to include new chat settings functionality.

These updates enhance the chat capabilities within course settings, providing a more robust user experience.

@coderabbitai ignore

[kaancayli]

LGTM

[alexjoham]

Code looks good to me!

[sebastianloose]

Looks good to me!

[kaancayli]

Requested changes are implemented. Code looks good to me. Re-approve 👍

[SimonEntholzer]

Code looks good, only one nitpick