Make result height dynamic shrink

[xzbdmw]

Is your feature request related to a problem? Please describe. Sometimes result list is several lines and leave a lot blank lines Describe the solution you'd like shrink window height as I type.

Describe alternatives you've considered

Additional context I have a poc of this kind of shrink, want to know your thoughts about this(achieved by on_complete callback but a little awkward, there is a second window in bottom draw border by themself)

https://github.com/nvim-telescope/telescope.nvim/assets/97848247/f9ee364a-b85a-4553-b226-b5a390ac8423