Support ByteStreams in bytes starts-with and bytes ends-with (#12887)

# Description
Restores `bytes starts-with` so that it is able to work with byte
streams once again. For parity/consistency, this PR also adds byte
stream support to `bytes ends-with`.

# User-Facing Changes
- `bytes ends-with` now supports byte streams.

# Tests + Formatting
Re-enabled tests for `bytes starts-with` and added tests for `bytes
ends-with`.

crates/nu-cmd-extra/tests/commands/bytes/mod.rs

@@ -1 +1,2 @@
+mod ends_with;
 mod starts_with;