[BUG] configClasses returns properties

[Coryf88]

Describe the bug configClasses also returns non-class config entries.

To Reproduce Steps to reproduce the behavior:

1. Execute sqfvm.exe --automated --config "class Test { property = 0; class TestSub { subProperty = 0; }; };" --sqf """true"" configClasses (configFile >> ""Test"")"
2. Notice [INF] Context droped with return value '[property,TestSub]'.

Expected behavior [INF] Context droped with return value '[TestSub]'.

Screenshots N/A

Additional context N/A