Terminal in horizontal split view will truncate content on resize

[Curculigo]

By truncating, I mean it actually deleting text instead of just resizing itself.

For example, before resize:

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After resize:

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[SpartanJ]

There's no text reflow support in the terminal so this is expected. Implementing reflow is quite complex and I need a few days of work for that, which I usually don't have. This is supported in most modern terminals but not supported in st which is ecode terminal is based on, there are some patches though that I could use for reference.