### What problem does this PR solve?
feat: after deleting the edge, set the corresponding field in the node's
form field to undefined #918
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: add duckduckgo icon #918
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: add description text to operators #918
feat: drag the operator to the canvas and initialize the form data #918
feat: extract the useFetchModelId to logicHooks.ts
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: add delete menu to graph node #918
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: add icon to graph nodes #918
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: fixed issue with threshold translation #882
feat: add NodeContextMenu
### Type of change
- [ ] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: handle operator drag
feat: add FlowCanvas
#592
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
