SAM Refactoring to Svelte

[sventhiel]

Refactoring of existing SAM views to Svelte including a few improvements and new views from a different point based on already implemented functions.

• [ ] #813
• [ ] #794
• [ ] #715
• [ ] #65
• [x] #54

Backend (APIs)

• [x] #1174
• [ ] #1689
• [ ] view: Former Members
• [x] #1173
• [ ] #1212
• [ ] view & CRUD Feature Permissions
• [ ] view & CRUD Entity Permissions
• [ ] view: & Edit Manage Datasets
• [ ] new admin view: "my data" view for each user, view of groups/direct permissions
• [ ] #1785

  Frontend (Svelte)

• [ ] #1690
• [ ] view & edit Former Members
• [ ] #1202
• [ ] CRUD Groups
• [ ] view&edit: Feature Permissions
• [ ] view&edit: Entity Permissions
• [ ] view: Manage Datasets
• [ ] new admin view: "my data" view for each user, view of groups/direct permissions

[geofranzi]

Requested by BE: Add indicator if a user belongs to any group or not (yes/no) -> color coding users in UI?