Describe the bug

Using padding can introduce a lot of bugs with popup rendering, anywhere in the screen, as there is no validation on it.

To reproduce

Steps to reproduce the behavior:

1. Setup renamer with a very large padding
2. Call rename()
3. See error

Expected behavior

Padding should be taken into consideration when drawing the popup.

Environment

• Renamer: v0.3.1
• Neovim: v0.5.1
• OS: ArchLinux

Screenshots

Additional context