Feat: Add the iteration Node #4242 (#4247)

### What problem does this PR solve?

Feat: Add the iteration Node #4242

### Type of change


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

web/src/pages/flow/canvas/node/begin-node.tsx

@@ -44,7 +44,9 @@ export function BeginNode({ selected, data }: NodeProps<NodeData>) {
           fontSize={24}
           color={operatorMap[data.label as Operator].color}
         ></OperatorIcon>
-        <div className={styles.nodeTitle}>{t(`flow.begin`)}</div>
+        <div className="truncate text-center font-semibold text-sm">
+          {t(`flow.begin`)}
+        </div>
       </Flex>
       <Flex gap={8} vertical className={styles.generateParameters}>
         {query.map((x, idx) => {