### What problem does this PR solve?
Feat: Deleting the last tool of the agent will delete the tool node
#3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Save the agent tool data to the node #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add a tool operator node from the agent form #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add tool nodes and tool drop-down menu #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
