Adding ability to increase script pane height and properties pane

[aasimkhan30]

This fixes #18007, fixes #18009 Default:

Max height:

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[cssuh]

@aasimkhan30 how do you maximize the script as create? do you just drag it to the top? Might be a nice QOL improvement to add something like VSCode has in the terminal for maximizing the panel later on

[aasimkhan30]

@cssuh, that sounds like a nice suggestion. I will include that in a separate PR.