* removes raw indexing from streamer (#19183)
Raw indexing is verbose and error-prone. This same code had an indexing
bug causing validator nodes panic just a few months ago:
https://github.com/solana-labs/solana/commit/482b8c6be
(cherry picked from commit 8229a4fbf6
)
# Conflicts:
# streamer/Cargo.toml
* removes backport merge conflicts
Co-authored-by: behzad nouri <behzadnouri@gmail.com>