[Bug]: use bf without filter and broadcast bf with multi cn

[iamlinjunhong]

Is there an existing issue for the same bug?

• I have checked the existing issues.

Branch Name

main, 3.0-dev

Commit ID

pending

Other Environment Information

- Hardware parameters:
- OS type:
- Others:

Actual Behavior

1. use bf without filter
2. broadcast bf with multi cn

Expected Behavior

No response

Steps to Reproduce

1. create ivf index
2. select without where
3. explain plan can see bf filter

Additional information

No response