Cleanup Editor

[MrF3lix]

• [ ] Improve Node definitions (Interfaces, Classes, etc.)
• [ ] Improve Dialogs (Group)
• [ ] Improve Actions (Simplify and combine in a base component)
• [ ] Collect interfaces that are used by a lot of components (User, DataFlow, etc.) and decide where to store them.
  • [ ] Unionise interfaces that store the same data (e. g. NodeData). If not possible: better document where which is used.
• [ ] extract getLastEditedString into helper class
• [ ] Optional: Extract all labels for translation purposes
• [ ] Each node should have a separate folder with interface, template and docs
• [ ] Add a NodeFactory and remove node-types.ts
• [ ] Remove github icon component
• [ ] Improve Messaging => Should show multiple messages, allow disappearing messages and fixed messages with close icon
• [ ] Unify /api handlers
• [ ] Remove any types