src: indent long help text properly
The previous code passed an ignored argument to StringPrototypeTrimLeft, and tried to trim a string that didn't start with whitespace. The trim makes more sense after the indentation has been added. Now wrapped lines actually show up with the rest of the help text.
This was a regression introduced in #36140.
Before:
--frozen-intrinsics experimental frozen intrinsics support
--heap-prof Start the V8 heap profiler on start up, and write the
heap profile to disk before exit. If --heap-prof-dir is
not specified, write the profile to the current working
directory.
--heap-prof-dir=... Directory where the V8 heap profiles generated by
--heap-prof will be placed.
After:
--frozen-intrinsics experimental frozen intrinsics support
--heap-prof Start the V8 heap profiler on start up, and write the
heap profile to disk before exit. If --heap-prof-dir is
not specified, write the profile to the current working
directory.
--heap-prof-dir=... Directory where the V8 heap profiles generated by
--heap-prof will be placed.
Doing this made an uncharacteristic trailing newline in the --icu-data-dir
help text more obvious, so I removed that.