[improvement](stream load)(cherry-pick) support hll_from_base64 for stream load column mapping#36819

dataroaring merged 1 commit intoapache:branch-2.1apache/doris:branch-2.1from

gnehil:dev-hll_from_base64-2.1gnehil/doris:dev-hll_from_base64-2.1Copy head branch name to clipboard