Some events throw exceptions when adding conditions.

[TheosRee]

Confirm the following

• I use the latest release or dev-build. I also checked that this problem hasn't already been fixed in a newer dev-build.
• There are no open or closed issues that are related to my problem.

BetonQuest version information

BetonQuest version: 2.0.2-DEV-6
Server version: git-Paper-463 (MC: 1.20.4)

Hooked into:

Expected behaviour

The event can parse even when a condition is given but some optional arguments are omitted.

Actual behaviour

The event can't parse and throws because of invalid argument format.

Steps to reproduce

events:
  grantPerm: permission add perm IAmAdmin conditons:gamebreaker

conditions:
  gamebreaker: tag gamebreaker

Error, Warning, Exception or Thread Dump

No response

Additional information

This problem also occurs in some MMO events and conditions.