Improve error messages for invalid function parameters

[sovdeeth]

Skript/Server Version

2.12

Bug Description

The error message for a function with bad parameters results in a very poor explanation:

Expected Behavior

The function(types) doesn't exist error message should be printed instead.

Steps to Reproduce

using local variable type hints
command /test:
    permission: op
    trigger:
        set {_number} to true
        type_hint_argument_test({_number})

local function type_hint_argument_test(number: number):
    stop

Errors or Screenshots

No response

Other

This is due to the re-parsing of the arguments specifically as an expressionlist in SkriptParser#parseFunction, lines 1129-1141.

Agreement

• I have read the guidelines above and affirm I am following them with this report.