We were dereferencing the first character of the id, (always '"') which meant
everything was id 34.
Before:
plugin-pay: cmd 34 partid 5
After:
cmd pytest:pay#62/cln:pay#105 partid 0
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Fixed: `pay`: debug logging now uses correct JSON ids.
Any file in this directory which is executable and whose name only
consists of alphanumeric characters, space, '.', '-' or '_' will be
automatically loaded when lightningd starts (unless suppressed with
commandline options).