### What problem does this PR solve?

Feat: Add a child operator node by clicking the operator node anchor
point #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Feat: Connect conditional operators to other operators #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Feat: Constructing query parameter options for the Retrieval operator
#3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Feat: Add agent operator node from agent form #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)