Allow to load scripts in order (important!)

[ItsGravix]

Important Feature Request
I need to be able to load scripts in order so I can extend another class without having to worry about the extended class loading first.

[PhaserEditor2D]

CC: @aleksei-tro

Done. You can select now the Scripts (Predictable Order) in the Asset Pack Editor:

And add the scripts and sort them in the Inspector view:

You can test it with this build:

macOS: https://drive.google.com/file/d/1dwkEwpcX6fpIabQ4tDKH66BcqP2bENrb/view?usp=sharing
Windows: https://drive.google.com/file/d/1vmflGjLUSniV4_nH1tyzXPExSzyMgIfo/view?usp=sharing

Please, re-open this issue if you have any problem.

[PhaserEditor2D]

By the way, remember to clear the browser cache to get the latest changes.