Allow the calculation of bytes and int. (#2160)

* Allow the calculation of bytes and int.

* fix clippy.

* minimal implement the into_into command.

* Revert "fix clippy."

This reverts commit 0d7cf72ed2.

* Revert "Allow the calculation of bytes and int."

This reverts commit 9c4e3787f5.

* set the argument to any type.

* if the argument is an int, return it with no change in value.

* add tests for into-int command.

* fix a faild test.

crates/nu-cli/src/cli.rs

@@ -366,6 +366,7 @@ pub fn create_default_context(
             whole_stream_command(Get),
             whole_stream_command(Update),
             whole_stream_command(Insert),
+            whole_stream_command(IntoInt),
             whole_stream_command(SplitBy),
             // Row manipulation
             whole_stream_command(Reverse),