Feat: Add a tool operator node from the agent form #3221 (#8344)

### 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)

web/src/pages/agent/canvas/node/agent-node.tsx

@@ -63,6 +63,13 @@ function InnerAgentNode({
           id="e"
           style={{ left: 180 }}
         ></Handle>
+        <Handle
+          type="source"
+          position={Position.Bottom}
+          isConnectable={false}
+          id={NodeHandleId.Tool}
+          style={{ left: 20 }}
+        ></Handle>
         <NodeHeader id={id} name={data.name} label={data.label}></NodeHeader>
       </NodeWrapper>
     </ToolBar>