Dont return error in case optional auth is invalid (#2879)

api_tests/src/user.spec.ts

crates/api/src/comment/distinguish.rs

crates/api/src/comment/like.rs

crates/api/src/comment/save.rs

crates/api/src/comment_report/create.rs

crates/api/src/comment_report/list.rs

crates/api/src/comment_report/resolve.rs

crates/api/src/community/add_mod.rs

crates/api/src/community/ban.rs

crates/api/src/community/block.rs

crates/api/src/community/follow.rs

crates/api/src/community/hide.rs

crates/api/src/community/transfer.rs

crates/api/src/local_user/add_admin.rs

crates/api/src/local_user/ban_person.rs

crates/api/src/local_user/block.rs

crates/api/src/local_user/change_password.rs

crates/api/src/local_user/list_banned.rs

crates/api/src/local_user/notifications/list_mentions.rs

crates/api/src/local_user/notifications/list_replies.rs