fix: black hole zequals

[tris203]

Description

This makes the telescope spellcheck picker more equivalent with a z= command. With the implementation before the misspelt word would end up in your register. This is not the behaviour of a z= in vim or neovim

Fixes # N/A

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list relevant details about your configuration

• Spell word wrong
• Fix it
• Paste - Buffer not overwritten

Configuration:

• Neovim version (nvim --version): Nightly
• Operating system and version: NixOS

Checklist:

• My code follows the style guidelines of this project (stylua)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (lua annotations)

[jamestrew]

Makes sense to me - thanks!