[F94] enforce max_module_length when loading temp module

[peterjah]

• document all added functions
• try in sandbox /simulation/labnet
  • if part of node-launch, checked using the resync_check flag
• unit tests on the added/changed features
  • make tests compile
  • make tests pass
• add logs allowing easy debugging in case the changes caused problems
• if the API has changed, update the API specification

[Leo-Besancon]

Note that this is redundent as the runtime checks:

if bytecode.len() <= 2 {
    return Err(anyhow!("Too small bytecode"));
}

[Leo-Besancon]

Left a comment, but I saw that load_module does the same check, you can keep the empty check for consistency if you prefer.

Otherwise LGTM