Parse commandline properly to prevent projects with `-test` in the name breaking
sbox-issues/issues/5208
Test for multiple keyframe percentages (sbox-issues/issues/5168)
Support multiple keyframe percentages
e.g.
```scss
@keyframes tilt {
0%, 10% {
transform: rotate(0deg) scale(1);
transform-origin: center;
}
}
```
sbox-issues/issues/5168
Vector2Int, Vector3Int
sbox-issues/issues/4995
