Artemiy e389e51b2b Display empty records and lists (#7925) ...

# Description

Fix some issues related to #7444 
1. Empty lists and records are now displayed as a small notice in a box:

![image](https://user-images.githubusercontent.com/17511668/215832023-3f8d743a-2899-416f-9109-7876ad2bbedf.png)

![image](https://user-images.githubusercontent.com/17511668/215832273-c737b8a4-af33-4c16-8dd3-bd4f0fd19b5a.png)
2. Empty records are now correctly displayed if inside of another record
list or table:

![image](https://user-images.githubusercontent.com/17511668/215832597-00f0cebc-a3b6-4ce8-8373-a9340d4c7020.png)

![image](https://user-images.githubusercontent.com/17511668/215832540-ab0e2a14-b8f6-4f47-976c-42003b622ef6.png)
3. Fixed inconsistent coloring of empty list placeholder inside of
lists/tables:

![image](https://user-images.githubusercontent.com/17511668/215832924-813ffe17-e04e-4301-97c3-1bdbccf1825c.png)

![image](https://user-images.githubusercontent.com/17511668/215832963-4765c4cf-3036-4bcc-81e1-ced941fa47cb.png)


# User-Facing Changes

`table` command now displays empty records and lists like a table with
text and correctly displays empty records inside tables and lists.

New behavior of displaying empty lists and records can be disabled using
`table.show_empty` config option.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.

2023-02-22 16:18:33 +00:00

..

basename.rs

Strip trailing whitespace in files (#4575)

2022-02-21 08:38:15 -05:00

dirname.rs

Strip trailing whitespace in files (#4575)

2022-02-21 08:38:15 -05:00

exists.rs

make path exists work on expanded path (#5886)

2022-06-26 06:55:55 -05:00

expand.rs

add -n for path expand, so it doesn't follow symlink (#6255)

2022-08-10 08:43:56 -05:00

join.rs

Fix path join on streams (#4959)

2022-03-26 07:46:48 +13:00

mod.rs

Remove old nushell/merge engine-q

2022-02-07 14:54:06 -05:00

parse.rs

refactor: change column names from 'Column*' to 'column*' (#4556)

2022-02-19 19:26:47 -05:00

split.rs

Display empty records and lists (#7925)

2023-02-22 16:18:33 +00:00

type_.rs

fixed some more tests (#4607)

2022-02-22 11:32:29 -05:00