Adds a help command within the interactive query prompt

[dwelch-r7]

Adds the ability to run a help command from within the interactive SQL prompt

before:

SQL >> help
SQL *>

After:

SQL >> help
Interactive SQL prompt

You are in an interactive SQL shell where SQL queries can be executed.
To exit, type 'exit', 'quit', 'end' or 'stop'.

Verification Steps

• boot msfconsole
• Get a SQL type session
• drop into an interactive prompt query_interactive
• run the help command

[sjanusz-r7]

@msjenkins-r7 retest this please

[cgranleese-r7]

Tested against PostgreSQL 16.1 and works as expected 👍

Before

After

[cgranleese-r7]

Release Notes

This PR adds the ability to run a help command from within the interactive SQL prompt.