FunkinParentDisabler: Fix camera not updating its size

[EstoyAburridowGH]

In my previous pull request I proposed a way to prevent the camera from continuing to update but it also brought another bug preventing the camera from updating its size when changing the window size Now in this pull request I have another simple change that should fix it (I hope this doesn't give us another bug lol)

Before:

After:

[NexIsDumb]

oh i stg I was about to start fixing it aswell LOL but either way as soon as we finish the big update we'll look through every pr, tysmm!

[NexIsDumb]

Imma start including this in the newer update tyy :D

[NexIsDumb]

ty!!