!eval removes indentation when displaying code in the result embed

[Scott-Caldwell]

Issue is present regardless of whether the code in the command was surrounded by a code block when the command was executed.

[ProIcons]

There are moments that you copy paste code that already intendent by the IDE. which adds multiple levels of indentation and making it look bad on a paste. Would make sense to indent it after submission on the bot using a linter.

Also not every time is losing the indentation:

Without a return

With a return

[Kuinox]

Found the condition that make it indent properly:
If there are multiple levels of indentations, the indentation is conserved.

[calledude]

Can this be closed now? See: #984