feat: Allow the component id drop-down box to select the answer opera…

…tor infiniflow#3085 (infiniflow#3087)

### What problem does this PR solve?

feat: Allow the component id drop-down box to select the answer operator
infiniflow#3085

### 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/hooks.ts

@@ -647,7 +647,6 @@ const ExcludedNodes = [
   Operator.Categorize,
   Operator.Relevant,
   Operator.Begin,
-  Operator.Answer,
   Operator.Note,
 ];