SQL Editor: in the autocomplete tooltip, indicate whether the suggestion is a table, column, or SQL keyword

[ericpgreen2]

References:

• https://codemirror.net/docs/ref/#autocomplete.Completion.detail
• https://codemirror.net/docs/ref/#autocomplete.Completion.info
• https://codemirror.net/docs/ref/#autocomplete.Completion.type
• https://codemirror.net/docs/ref/#autocomplete.autocompletion^config.icons