fix: models loadbalancing billing issue by filter (#18891)#19220

2 commits merged intoBerriAI:litellm_oss_staging_01_31_2026BerriAI/litellm:litellm_oss_staging_01_31_2026from

Harshit28j:fix/model_load_balance_handle_v2Harshit28j/litellm:fix/model_load_balance_handle_v2Copy head branch name to clipboard