[opt](be) Backport nullable and projection optimizations to branch-4.1 - #66586

[opt](be) Backport nullable and projection optimizations to branch-4.1#66586

Mryange wants to merge 3 commits into

apache:branch-4.1apache/doris:branch-4.1from

Mryange:branch-4.1-pick-66031-66085Mryange/doris:branch-4.1-pick-66031-66085Copy head branch name to clipboard