feat: Arrange the form of generate, categorize, switch, retrieval operators vertically #1739 (#2800)

### What problem does this PR solve?

feat: Arrange the form of generate, categorize, switch, retrieval
operators vertically #1739

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

web/src/pages/flow/flow-drawer/index.less

@@ -1,3 +1,9 @@
 .title {
   flex-basis: 60px;
 }
+
+.formWrapper {
+  :global(.ant-form-item-label) {
+    font-weight: 600;
+  }
+}