Update formatting of timestamps and identities in PsqlFormatter

[mamcx]

Description of Changes

Recover the functionality on the sql cli of output Identity, ConnectionId as hex:

 bool | str                   | bytes            | identity                                                           | connection_id
------+-----------------------+------------------+--------------------------------------------------------------------+------------------------------------
 true | "This is spacetimedb" | 0x01020304050607 | 0x0000000000000000000000000000000000000000000000000000000000000000 | 0x00000000000000000000000000000000

Closes #2449.

API and ABI breaking changes

This break current output in cli, but is fixing a regression.

Expected complexity level and risk

1

Testing

• Correct the test output_identity_connection_id so it check the same kind of output used in thecli.
• Added Identity, ConnectionId to the sql smoke test
• Manual inspection using the cli

[bfops]

Approving the one file that I am a codeowner for:

crates/cli/src/subcommands/sql.rs

[joshua-spacetime]

Can you make sure to have a companion PR ready before merging?