David Boschmann

**What kind of change does this PR introduce?** (check one with "x") - [ ] Bugfix - [x] Feature - [ ] Code style update (formatting, local variables) - [...

Angular 7

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## Description: Updated dependancies Closes #889 ## Improvements - angular 7 and more new dependancies in the frontend - updated to new dragula API ## Known Issues: -

# User Story ### As a: Developer ### I want: to have a standardized List-View Component ### so that: All List-Views have the same look and feel ## Acceptance criteria:...

# User Story ### As a: Student/Teacher ### I want: to search for specific content / Units ### so that: I can find stuff faster. ## Acceptance criteria: - [...

# User Story ### As a: Student/ Teacher ### I want: to be informed about new Chat messages. (something like "You have new messages in Course .../ Unit...") ### so...

# User Story ### As a: Developer ### I want: a shared live/test system, like staging, but for specified other branch (e.g. bugfix/#913 Pdf Export) ### so that: the team...

Msal Angular Interceptor is not working properly in Anuglar Universal SSR

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### Core Library MSAL.js v2 (@azure/msal-browser) ### Core Library Version 2.24.0 ### Wrapper Library MSAL Angular (@azure/msal-angular) ### Wrapper Library Version 2.3.0 ### Description MSAL Angular Interceptor is using window...