[Rust] Support display of DictionaryArrays in sql.rs

[asfimport]

When I try to display a DictionaryArray values, I get either a ??? in sql.rs

This ticket tracks adding proper support for printing these types

Reporter: Andrew Lamb / @alamb
Assignee: Andrew Lamb / @alamb

Related issues:

• [Rust] Support display of DictionaryArrays in pretty printing (is a clone of)

PRs and other links:

• GitHub Pull Request #8333

_{Note: This issue was originally created as ARROW-10167. Please see the migration documentation for further details.}

[asfimport]

Andy Grove / @andygrove:
Issue resolved by pull request 8333
#8333