Timespan parsing

[CGDoctor8]

I didn't look before posting this, a issue has been opened already Super Sorry
See #1394

Issue

When Trying to parse a time span as a string with a variable it fails silently

Example

command /test:
    trigger:
        set {_ticks} to 1
        wait "%{_ticks}% ticks" parsed as timespan
        broadcast "We will never reach this line on dev37c"```

This was produced on

1. Spigot 1.12.2 git-Spigot-eb3d921-2b93d83 (latest)
2. Skript version 2.2-dev37c

[TheBentoBox]

Next time you see you've reported something that's already been reported, close your issue